Home / 129,452.18-178,337.70-123,473.16

Finding the Fourth Proportional to 129,452.18, 178,337.70 and 123,473.16

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Solution

The fourth proportional to 129,452.18, 178,337.70 and 123,473.16 is: 170,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452.18 : 178,337.70 = 123,473.16 : x
  2. Step 2: Convert to fraction form
    129,452.18/178,337.70 = 123,473.16/x
  3. Step 3: Cross multiply
    129,452.18x = 178,337.70 × 123,473.16
  4. Step 4: Simplify right side
    129,452.18x = 22,019,919,366.13
  5. Step 5: Solve for x
    x = 22,019,919,366.13/129,452.18
  6. Step 6: Final answer
    x = 170,100.81

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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.