Home / 143,766.96-215,663.40-55,016.88

Finding the Fourth Proportional to 143,766.96, 215,663.40 and 55,016.88

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Solution

The fourth proportional to 143,766.96, 215,663.40 and 55,016.88 is: 82,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,766.96 : 215,663.40 = 55,016.88 : x
  2. Step 2: Convert to fraction form
    143,766.96/215,663.40 = 55,016.88/x
  3. Step 3: Cross multiply
    143,766.96x = 215,663.40 × 55,016.88
  4. Step 4: Simplify right side
    143,766.96x = 11,865,127,398.19
  5. Step 5: Solve for x
    x = 11,865,127,398.19/143,766.96
  6. Step 6: Final answer
    x = 82,530.28

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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.