Home / 143,769.87-215,654.76-38,588.82

Finding the Fourth Proportional to 143,769.87, 215,654.76 and 38,588.82

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Solution

The fourth proportional to 143,769.87, 215,654.76 and 38,588.82 is: 57,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,769.87 : 215,654.76 = 38,588.82 : x
  2. Step 2: Convert to fraction form
    143,769.87/215,654.76 = 38,588.82/x
  3. Step 3: Cross multiply
    143,769.87x = 215,654.76 × 38,588.82
  4. Step 4: Simplify right side
    143,769.87x = 8,321,862,715.78
  5. Step 5: Solve for x
    x = 8,321,862,715.78/143,769.87
  6. Step 6: Final answer
    x = 57,883.22

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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.