Home / 239,596.05-359,437.11-81,787.61

Finding the Fourth Proportional to 239,596.05, 359,437.11 and 81,787.61

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Solution

The fourth proportional to 239,596.05, 359,437.11 and 81,787.61 is: 122,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,596.05 : 359,437.11 = 81,787.61 : x
  2. Step 2: Convert to fraction form
    239,596.05/359,437.11 = 81,787.61/x
  3. Step 3: Cross multiply
    239,596.05x = 359,437.11 × 81,787.61
  4. Step 4: Simplify right side
    239,596.05x = 29,397,500,375.02
  5. Step 5: Solve for x
    x = 29,397,500,375.02/239,596.05
  6. Step 6: Final answer
    x = 122,696.10

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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.