Home / 283,653.86-425,570-83,976

Finding the Fourth Proportional to 283,653.86, 425,570 and 83,976

Calculator

Solution

The fourth proportional to 283,653.86, 425,570 and 83,976 is: 125,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,653.86 : 425,570 = 83,976 : x
  2. Step 2: Convert to fraction form
    283,653.86/425,570 = 83,976/x
  3. Step 3: Cross multiply
    283,653.86x = 425,570 × 83,976
  4. Step 4: Simplify right side
    283,653.86x = 35,737,666,320
  5. Step 5: Solve for x
    x = 35,737,666,320/283,653.86
  6. Step 6: Final answer
    x = 125,990.41

Related Problems

Find fourth proportional to 141,826.93, 212,785 and 41,988
Half scale
Find fourth proportional to 567,307.72, 851,140 and 167,952
Double scale
Find fourth proportional to 283,654.86, 425,571.50 and 83,977
Similar ratio
Find fourth proportional to 425,480.79, 638,355 and 125,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.