Home / 158,687.82-237,915.09-75,640.14

Finding the Fourth Proportional to 158,687.82, 237,915.09 and 75,640.14

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Solution

The fourth proportional to 158,687.82, 237,915.09 and 75,640.14 is: 113,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,687.82 : 237,915.09 = 75,640.14 : x
  2. Step 2: Convert to fraction form
    158,687.82/237,915.09 = 75,640.14/x
  3. Step 3: Cross multiply
    158,687.82x = 237,915.09 × 75,640.14
  4. Step 4: Simplify right side
    158,687.82x = 17,995,930,715.71
  5. Step 5: Solve for x
    x = 17,995,930,715.71/158,687.82
  6. Step 6: Final answer
    x = 113,404.61

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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.