Home / 142,869.62-214,248.92-76,273.38

Finding the Fourth Proportional to 142,869.62, 214,248.92 and 76,273.38

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Solution

The fourth proportional to 142,869.62, 214,248.92 and 76,273.38 is: 114,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.62 : 214,248.92 = 76,273.38 : x
  2. Step 2: Convert to fraction form
    142,869.62/214,248.92 = 76,273.38/x
  3. Step 3: Cross multiply
    142,869.62x = 214,248.92 × 76,273.38
  4. Step 4: Simplify right side
    142,869.62x = 16,341,488,908.38
  5. Step 5: Solve for x
    x = 16,341,488,908.38/142,869.62
  6. Step 6: Final answer
    x = 114,380.43

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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.