Home / 187,775.28-281,709.12-54,656.76

Finding the Fourth Proportional to 187,775.28, 281,709.12 and 54,656.76

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Solution

The fourth proportional to 187,775.28, 281,709.12 and 54,656.76 is: 81,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,775.28 : 281,709.12 = 54,656.76 : x
  2. Step 2: Convert to fraction form
    187,775.28/281,709.12 = 54,656.76/x
  3. Step 3: Cross multiply
    187,775.28x = 281,709.12 × 54,656.76
  4. Step 4: Simplify right side
    187,775.28x = 15,397,307,761.65
  5. Step 5: Solve for x
    x = 15,397,307,761.65/187,775.28
  6. Step 6: Final answer
    x = 81,998.59

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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.