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Finding the Fourth Proportional to 95,158.39, 131,309 and 52,708.99

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Solution

The fourth proportional to 95,158.39, 131,309 and 52,708.99 is: 72,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,158.39 : 131,309 = 52,708.99 : x
  2. Step 2: Convert to fraction form
    95,158.39/131,309 = 52,708.99/x
  3. Step 3: Cross multiply
    95,158.39x = 131,309 × 52,708.99
  4. Step 4: Simplify right side
    95,158.39x = 6,921,164,767.91
  5. Step 5: Solve for x
    x = 6,921,164,767.91/95,158.39
  6. Step 6: Final answer
    x = 72,733.10

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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.