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Finding the Fourth Proportional to 137,064.52, 205,627 and 58,246.12

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Solution

The fourth proportional to 137,064.52, 205,627 and 58,246.12 is: 87,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,064.52 : 205,627 = 58,246.12 : x
  2. Step 2: Convert to fraction form
    137,064.52/205,627 = 58,246.12/x
  3. Step 3: Cross multiply
    137,064.52x = 205,627 × 58,246.12
  4. Step 4: Simplify right side
    137,064.52x = 11,976,974,917.24
  5. Step 5: Solve for x
    x = 11,976,974,917.24/137,064.52
  6. Step 6: Final answer
    x = 87,382.02

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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.