Home / 143,760.96-215,654.40-55,010.88

Finding the Fourth Proportional to 143,760.96, 215,654.40 and 55,010.88

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Solution

The fourth proportional to 143,760.96, 215,654.40 and 55,010.88 is: 82,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,760.96 : 215,654.40 = 55,010.88 : x
  2. Step 2: Convert to fraction form
    143,760.96/215,654.40 = 55,010.88/x
  3. Step 3: Cross multiply
    143,760.96x = 215,654.40 × 55,010.88
  4. Step 4: Simplify right side
    143,760.96x = 11,863,338,319.87
  5. Step 5: Solve for x
    x = 11,863,338,319.87/143,760.96
  6. Step 6: Final answer
    x = 82,521.28

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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.