Home / 187,536.50-281,304.43-76,728.18

Finding the Fourth Proportional to 187,536.50, 281,304.43 and 76,728.18

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Solution

The fourth proportional to 187,536.50, 281,304.43 and 76,728.18 is: 115,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536.50 : 281,304.43 = 76,728.18 : x
  2. Step 2: Convert to fraction form
    187,536.50/281,304.43 = 76,728.18/x
  3. Step 3: Cross multiply
    187,536.50x = 281,304.43 × 76,728.18
  4. Step 4: Simplify right side
    187,536.50x = 21,583,976,939.84
  5. Step 5: Solve for x
    x = 21,583,976,939.84/187,536.50
  6. Step 6: Final answer
    x = 115,092.14

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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.