Home / 187,732.64-259,071.28-101,691.80

Finding the Fourth Proportional to 187,732.64, 259,071.28 and 101,691.80

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Solution

The fourth proportional to 187,732.64, 259,071.28 and 101,691.80 is: 140,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.64 : 259,071.28 = 101,691.80 : x
  2. Step 2: Convert to fraction form
    187,732.64/259,071.28 = 101,691.80/x
  3. Step 3: Cross multiply
    187,732.64x = 259,071.28 × 101,691.80
  4. Step 4: Simplify right side
    187,732.64x = 26,345,424,791.50
  5. Step 5: Solve for x
    x = 26,345,424,791.50/187,732.64
  6. Step 6: Final answer
    x = 140,334.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.