Home / 143,789.92-215,370.56-118,546.47

Finding the Fourth Proportional to 143,789.92, 215,370.56 and 118,546.47

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Solution

The fourth proportional to 143,789.92, 215,370.56 and 118,546.47 is: 177,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,789.92 : 215,370.56 = 118,546.47 : x
  2. Step 2: Convert to fraction form
    143,789.92/215,370.56 = 118,546.47/x
  3. Step 3: Cross multiply
    143,789.92x = 215,370.56 × 118,546.47
  4. Step 4: Simplify right side
    143,789.92x = 25,531,419,926.29
  5. Step 5: Solve for x
    x = 25,531,419,926.29/143,789.92
  6. Step 6: Final answer
    x = 177,560.57

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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.