Home / 237,712.39-328,045.67-130,280.11

Finding the Fourth Proportional to 237,712.39, 328,045.67 and 130,280.11

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Solution

The fourth proportional to 237,712.39, 328,045.67 and 130,280.11 is: 179,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,712.39 : 328,045.67 = 130,280.11 : x
  2. Step 2: Convert to fraction form
    237,712.39/328,045.67 = 130,280.11/x
  3. Step 3: Cross multiply
    237,712.39x = 328,045.67 × 130,280.11
  4. Step 4: Simplify right side
    237,712.39x = 42,737,825,972.62
  5. Step 5: Solve for x
    x = 42,737,825,972.62/237,712.39
  6. Step 6: Final answer
    x = 179,787.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.