Home / 159,270.18-239,052.96-80,439.72

Finding the Fourth Proportional to 159,270.18, 239,052.96 and 80,439.72

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Solution

The fourth proportional to 159,270.18, 239,052.96 and 80,439.72 is: 120,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,270.18 : 239,052.96 = 80,439.72 : x
  2. Step 2: Convert to fraction form
    159,270.18/239,052.96 = 80,439.72/x
  3. Step 3: Cross multiply
    159,270.18x = 239,052.96 × 80,439.72
  4. Step 4: Simplify right side
    159,270.18x = 19,229,353,167.57
  5. Step 5: Solve for x
    x = 19,229,353,167.57/159,270.18
  6. Step 6: Final answer
    x = 120,734.17

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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.