Home / 132,358-182,654.04-72,743.28

Finding the Fourth Proportional to 132,358, 182,654.04 and 72,743.28

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Solution

The fourth proportional to 132,358, 182,654.04 and 72,743.28 is: 100,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358 : 182,654.04 = 72,743.28 : x
  2. Step 2: Convert to fraction form
    132,358/182,654.04 = 72,743.28/x
  3. Step 3: Cross multiply
    132,358x = 182,654.04 × 72,743.28
  4. Step 4: Simplify right side
    132,358x = 13,286,853,974.85
  5. Step 5: Solve for x
    x = 13,286,853,974.85/132,358
  6. Step 6: Final answer
    x = 100,385.73

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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.