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Finding the Fourth Proportional to 159,864.56, 239,672.64 and 103,585.76

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Solution

The fourth proportional to 159,864.56, 239,672.64 and 103,585.76 is: 155,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,864.56 : 239,672.64 = 103,585.76 : x
  2. Step 2: Convert to fraction form
    159,864.56/239,672.64 = 103,585.76/x
  3. Step 3: Cross multiply
    159,864.56x = 239,672.64 × 103,585.76
  4. Step 4: Simplify right side
    159,864.56x = 24,826,672,565.61
  5. Step 5: Solve for x
    x = 24,826,672,565.61/159,864.56
  6. Step 6: Final answer
    x = 155,298.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.