Home / 112,868.82-169,154.68-62,972.42

Finding the Fourth Proportional to 112,868.82, 169,154.68 and 62,972.42

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Solution

The fourth proportional to 112,868.82, 169,154.68 and 62,972.42 is: 94,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,868.82 : 169,154.68 = 62,972.42 : x
  2. Step 2: Convert to fraction form
    112,868.82/169,154.68 = 62,972.42/x
  3. Step 3: Cross multiply
    112,868.82x = 169,154.68 × 62,972.42
  4. Step 4: Simplify right side
    112,868.82x = 10,652,079,553.93
  5. Step 5: Solve for x
    x = 10,652,079,553.93/112,868.82
  6. Step 6: Final answer
    x = 94,375.75

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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.