Home / 169,962.10-234,530.85-129,701.86

Finding the Fourth Proportional to 169,962.10, 234,530.85 and 129,701.86

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Solution

The fourth proportional to 169,962.10, 234,530.85 and 129,701.86 is: 178,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,962.10 : 234,530.85 = 129,701.86 : x
  2. Step 2: Convert to fraction form
    169,962.10/234,530.85 = 129,701.86/x
  3. Step 3: Cross multiply
    169,962.10x = 234,530.85 × 129,701.86
  4. Step 4: Simplify right side
    169,962.10x = 30,419,087,472.38
  5. Step 5: Solve for x
    x = 30,419,087,472.38/169,962.10
  6. Step 6: Final answer
    x = 178,975.71

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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.