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Finding the Fourth Proportional to 187,882.66, 259,268.28 and 107,294.44

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Solution

The fourth proportional to 187,882.66, 259,268.28 and 107,294.44 is: 148,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,882.66 : 259,268.28 = 107,294.44 : x
  2. Step 2: Convert to fraction form
    187,882.66/259,268.28 = 107,294.44/x
  3. Step 3: Cross multiply
    187,882.66x = 259,268.28 × 107,294.44
  4. Step 4: Simplify right side
    187,882.66x = 27,818,044,912.36
  5. Step 5: Solve for x
    x = 27,818,044,912.36/187,882.66
  6. Step 6: Final answer
    x = 148,060.74

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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.