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Finding the Fourth Proportional to 165,680.39, 228,648.08 and 97,737.19

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Solution

The fourth proportional to 165,680.39, 228,648.08 and 97,737.19 is: 134,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,680.39 : 228,648.08 = 97,737.19 : x
  2. Step 2: Convert to fraction form
    165,680.39/228,648.08 = 97,737.19/x
  3. Step 3: Cross multiply
    165,680.39x = 228,648.08 × 97,737.19
  4. Step 4: Simplify right side
    165,680.39x = 22,347,420,510.82
  5. Step 5: Solve for x
    x = 22,347,420,510.82/165,680.39
  6. Step 6: Final answer
    x = 134,882.71

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1.5x scale

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.