Home / 187,167.30-281,010.15-147,768.90

Finding the Fourth Proportional to 187,167.30, 281,010.15 and 147,768.90

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Solution

The fourth proportional to 187,167.30, 281,010.15 and 147,768.90 is: 221,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,167.30 : 281,010.15 = 147,768.90 : x
  2. Step 2: Convert to fraction form
    187,167.30/281,010.15 = 147,768.90/x
  3. Step 3: Cross multiply
    187,167.30x = 281,010.15 × 147,768.90
  4. Step 4: Simplify right side
    187,167.30x = 41,524,560,754.34
  5. Step 5: Solve for x
    x = 41,524,560,754.34/187,167.30
  6. Step 6: Final answer
    x = 221,857.99

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1.5x scale

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.