Home / 187,915.17-281,889.15-47,673.80

Finding the Fourth Proportional to 187,915.17, 281,889.15 and 47,673.80

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Solution

The fourth proportional to 187,915.17, 281,889.15 and 47,673.80 is: 71,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.17 : 281,889.15 = 47,673.80 : x
  2. Step 2: Convert to fraction form
    187,915.17/281,889.15 = 47,673.80/x
  3. Step 3: Cross multiply
    187,915.17x = 281,889.15 × 47,673.80
  4. Step 4: Simplify right side
    187,915.17x = 13,438,725,311.46
  5. Step 5: Solve for x
    x = 13,438,725,311.46/187,915.17
  6. Step 6: Final answer
    x = 71,514.85

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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.