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Finding the Fourth Proportional to 159,641.15, 220,310.10 and 95,101.57

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Solution

The fourth proportional to 159,641.15, 220,310.10 and 95,101.57 is: 131,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,641.15 : 220,310.10 = 95,101.57 : x
  2. Step 2: Convert to fraction form
    159,641.15/220,310.10 = 95,101.57/x
  3. Step 3: Cross multiply
    159,641.15x = 220,310.10 × 95,101.57
  4. Step 4: Simplify right side
    159,641.15x = 20,951,835,700.47
  5. Step 5: Solve for x
    x = 20,951,835,700.47/159,641.15
  6. Step 6: Final answer
    x = 131,243.33

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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.