Home / 103,227.20-142,456.32-60,777.92

Finding the Fourth Proportional to 103,227.20, 142,456.32 and 60,777.92

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Solution

The fourth proportional to 103,227.20, 142,456.32 and 60,777.92 is: 83,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,227.20 : 142,456.32 = 60,777.92 : x
  2. Step 2: Convert to fraction form
    103,227.20/142,456.32 = 60,777.92/x
  3. Step 3: Cross multiply
    103,227.20x = 142,456.32 × 60,777.92
  4. Step 4: Simplify right side
    103,227.20x = 8,658,198,820.45
  5. Step 5: Solve for x
    x = 8,658,198,820.45/103,227.20
  6. Step 6: Final answer
    x = 83,875.17

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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.