Home / 187,404.07-281,106.11-54,284.38

Finding the Fourth Proportional to 187,404.07, 281,106.11 and 54,284.38

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Solution

The fourth proportional to 187,404.07, 281,106.11 and 54,284.38 is: 81,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,404.07 : 281,106.11 = 54,284.38 : x
  2. Step 2: Convert to fraction form
    187,404.07/281,106.11 = 54,284.38/x
  3. Step 3: Cross multiply
    187,404.07x = 281,106.11 × 54,284.38
  4. Step 4: Simplify right side
    187,404.07x = 15,259,669,218.61
  5. Step 5: Solve for x
    x = 15,259,669,218.61/187,404.07
  6. Step 6: Final answer
    x = 81,426.56

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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.