Home / 143,561.06-215,343.64-54,819.43

Finding the Fourth Proportional to 143,561.06, 215,343.64 and 54,819.43

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Solution

The fourth proportional to 143,561.06, 215,343.64 and 54,819.43 is: 82,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,561.06 : 215,343.64 = 54,819.43 : x
  2. Step 2: Convert to fraction form
    143,561.06/215,343.64 = 54,819.43/x
  3. Step 3: Cross multiply
    143,561.06x = 215,343.64 × 54,819.43
  4. Step 4: Simplify right side
    143,561.06x = 11,805,016,186.22
  5. Step 5: Solve for x
    x = 11,805,016,186.22/143,561.06
  6. Step 6: Final answer
    x = 82,229.93

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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.