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Finding the Fourth Proportional to 134,178.01, 185,166.17 and 73,753.93

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Solution

The fourth proportional to 134,178.01, 185,166.17 and 73,753.93 is: 101,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.01 : 185,166.17 = 73,753.93 : x
  2. Step 2: Convert to fraction form
    134,178.01/185,166.17 = 73,753.93/x
  3. Step 3: Cross multiply
    134,178.01x = 185,166.17 × 73,753.93
  4. Step 4: Simplify right side
    134,178.01x = 13,656,732,740.55
  5. Step 5: Solve for x
    x = 13,656,732,740.55/134,178.01
  6. Step 6: Final answer
    x = 101,780.71

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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.