Home / 187,634.75-281,469.43-61,275.66

Finding the Fourth Proportional to 187,634.75, 281,469.43 and 61,275.66

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Solution

The fourth proportional to 187,634.75, 281,469.43 and 61,275.66 is: 91,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,634.75 : 281,469.43 = 61,275.66 : x
  2. Step 2: Convert to fraction form
    187,634.75/281,469.43 = 61,275.66/x
  3. Step 3: Cross multiply
    187,634.75x = 281,469.43 × 61,275.66
  4. Step 4: Simplify right side
    187,634.75x = 17,247,225,473.95
  5. Step 5: Solve for x
    x = 17,247,225,473.95/187,634.75
  6. Step 6: Final answer
    x = 91,919.14

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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.