Home / 94,191.52-129,978-51,748

Finding the Fourth Proportional to 94,191.52, 129,978 and 51,748

Calculator

Solution

The fourth proportional to 94,191.52, 129,978 and 51,748 is: 71,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,191.52 : 129,978 = 51,748 : x
  2. Step 2: Convert to fraction form
    94,191.52/129,978 = 51,748/x
  3. Step 3: Cross multiply
    94,191.52x = 129,978 × 51,748
  4. Step 4: Simplify right side
    94,191.52x = 6,726,101,544
  5. Step 5: Solve for x
    x = 6,726,101,544/94,191.52
  6. Step 6: Final answer
    x = 71,408.78

Related Problems

Find fourth proportional to 47,095.76, 64,989 and 25,874
Half scale
Find fourth proportional to 188,383.04, 259,956 and 103,496
Double scale
Find fourth proportional to 94,192.52, 129,979.38 and 51,749
Similar ratio
Find fourth proportional to 141,287.28, 194,967 and 77,622
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.