Home / 103,468.06-142,789.68-58,146.94

Finding the Fourth Proportional to 103,468.06, 142,789.68 and 58,146.94

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Solution

The fourth proportional to 103,468.06, 142,789.68 and 58,146.94 is: 80,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468.06 : 142,789.68 = 58,146.94 : x
  2. Step 2: Convert to fraction form
    103,468.06/142,789.68 = 58,146.94/x
  3. Step 3: Cross multiply
    103,468.06x = 142,789.68 × 58,146.94
  4. Step 4: Simplify right side
    103,468.06x = 8,302,781,950.90
  5. Step 5: Solve for x
    x = 8,302,781,950.90/103,468.06
  6. Step 6: Final answer
    x = 80,244.88

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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.