Home / 103,517.19-142,839.45-60,486.35

Finding the Fourth Proportional to 103,517.19, 142,839.45 and 60,486.35

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Solution

The fourth proportional to 103,517.19, 142,839.45 and 60,486.35 is: 83,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517.19 : 142,839.45 = 60,486.35 : x
  2. Step 2: Convert to fraction form
    103,517.19/142,839.45 = 60,486.35/x
  3. Step 3: Cross multiply
    103,517.19x = 142,839.45 × 60,486.35
  4. Step 4: Simplify right side
    103,517.19x = 8,639,836,252.31
  5. Step 5: Solve for x
    x = 8,639,836,252.31/103,517.19
  6. Step 6: Final answer
    x = 83,462.82

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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.