Home / 103,355.28-142,645.89-63,092.48

Finding the Fourth Proportional to 103,355.28, 142,645.89 and 63,092.48

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Solution

The fourth proportional to 103,355.28, 142,645.89 and 63,092.48 is: 87,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,355.28 : 142,645.89 = 63,092.48 : x
  2. Step 2: Convert to fraction form
    103,355.28/142,645.89 = 63,092.48/x
  3. Step 3: Cross multiply
    103,355.28x = 142,645.89 × 63,092.48
  4. Step 4: Simplify right side
    103,355.28x = 8,999,882,248.68
  5. Step 5: Solve for x
    x = 8,999,882,248.68/103,355.28
  6. Step 6: Final answer
    x = 87,077.14

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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.