Home / 92,229.40-138,344.12-71,200.13

Finding the Fourth Proportional to 92,229.40, 138,344.12 and 71,200.13

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Solution

The fourth proportional to 92,229.40, 138,344.12 and 71,200.13 is: 106,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,229.40 : 138,344.12 = 71,200.13 : x
  2. Step 2: Convert to fraction form
    92,229.40/138,344.12 = 71,200.13/x
  3. Step 3: Cross multiply
    92,229.40x = 138,344.12 × 71,200.13
  4. Step 4: Simplify right side
    92,229.40x = 9,850,119,328.74
  5. Step 5: Solve for x
    x = 9,850,119,328.74/92,229.40
  6. Step 6: Final answer
    x = 106,800.21

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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.