Home / 103,487.75-142,813.28-58,775.75

Finding the Fourth Proportional to 103,487.75, 142,813.28 and 58,775.75

Calculator

Solution

The fourth proportional to 103,487.75, 142,813.28 and 58,775.75 is: 81,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.75 : 142,813.28 = 58,775.75 : x
  2. Step 2: Convert to fraction form
    103,487.75/142,813.28 = 58,775.75/x
  3. Step 3: Cross multiply
    103,487.75x = 142,813.28 × 58,775.75
  4. Step 4: Simplify right side
    103,487.75x = 8,393,957,641.96
  5. Step 5: Solve for x
    x = 8,393,957,641.96/103,487.75
  6. Step 6: Final answer
    x = 81,110.64

Related Problems

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.