Home / 159,318.18-239,124.96-80,487.90

Finding the Fourth Proportional to 159,318.18, 239,124.96 and 80,487.90

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Solution

The fourth proportional to 159,318.18, 239,124.96 and 80,487.90 is: 120,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,318.18 : 239,124.96 = 80,487.90 : x
  2. Step 2: Convert to fraction form
    159,318.18/239,124.96 = 80,487.90/x
  3. Step 3: Cross multiply
    159,318.18x = 239,124.96 × 80,487.90
  4. Step 4: Simplify right side
    159,318.18x = 19,246,665,867.98
  5. Step 5: Solve for x
    x = 19,246,665,867.98/159,318.18
  6. Step 6: Final answer
    x = 120,806.46

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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.