Home / 103,250.17-142,472.55-60,800.50

Finding the Fourth Proportional to 103,250.17, 142,472.55 and 60,800.50

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Solution

The fourth proportional to 103,250.17, 142,472.55 and 60,800.50 is: 83,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250.17 : 142,472.55 = 60,800.50 : x
  2. Step 2: Convert to fraction form
    103,250.17/142,472.55 = 60,800.50/x
  3. Step 3: Cross multiply
    103,250.17x = 142,472.55 × 60,800.50
  4. Step 4: Simplify right side
    103,250.17x = 8,662,402,276.28
  5. Step 5: Solve for x
    x = 8,662,402,276.28/103,250.17
  6. Step 6: Final answer
    x = 83,897.22

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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.