Home / 187,537.16-281,304.90-76,729.16

Finding the Fourth Proportional to 187,537.16, 281,304.90 and 76,729.16

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Solution

The fourth proportional to 187,537.16, 281,304.90 and 76,729.16 is: 115,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,537.16 : 281,304.90 = 76,729.16 : x
  2. Step 2: Convert to fraction form
    187,537.16/281,304.90 = 76,729.16/x
  3. Step 3: Cross multiply
    187,537.16x = 281,304.90 × 76,729.16
  4. Step 4: Simplify right side
    187,537.16x = 21,584,288,680.88
  5. Step 5: Solve for x
    x = 21,584,288,680.88/187,537.16
  6. Step 6: Final answer
    x = 115,093.40

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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.