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Finding the Fourth Proportional to 129,313.52, 178,540.52 and 95,325.92

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Solution

The fourth proportional to 129,313.52, 178,540.52 and 95,325.92 is: 131,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,313.52 : 178,540.52 = 95,325.92 : x
  2. Step 2: Convert to fraction form
    129,313.52/178,540.52 = 95,325.92/x
  3. Step 3: Cross multiply
    129,313.52x = 178,540.52 × 95,325.92
  4. Step 4: Simplify right side
    129,313.52x = 17,019,539,326.28
  5. Step 5: Solve for x
    x = 17,019,539,326.28/129,313.52
  6. Step 6: Final answer
    x = 131,614.54

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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.