Home / 159,330.42-239,143.32-80,500.14

Finding the Fourth Proportional to 159,330.42, 239,143.32 and 80,500.14

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Solution

The fourth proportional to 159,330.42, 239,143.32 and 80,500.14 is: 120,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,330.42 : 239,143.32 = 80,500.14 : x
  2. Step 2: Convert to fraction form
    159,330.42/239,143.32 = 80,500.14/x
  3. Step 3: Cross multiply
    159,330.42x = 239,143.32 × 80,500.14
  4. Step 4: Simplify right side
    159,330.42x = 19,251,070,740.06
  5. Step 5: Solve for x
    x = 19,251,070,740.06/159,330.42
  6. Step 6: Final answer
    x = 120,824.83

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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.