Home / 143,809.38-215,761.90-63,836.25

Finding the Fourth Proportional to 143,809.38, 215,761.90 and 63,836.25

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Solution

The fourth proportional to 143,809.38, 215,761.90 and 63,836.25 is: 95,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,809.38 : 215,761.90 = 63,836.25 : x
  2. Step 2: Convert to fraction form
    143,809.38/215,761.90 = 63,836.25/x
  3. Step 3: Cross multiply
    143,809.38x = 215,761.90 × 63,836.25
  4. Step 4: Simplify right side
    143,809.38x = 13,773,430,588.88
  5. Step 5: Solve for x
    x = 13,773,430,588.88/143,809.38
  6. Step 6: Final answer
    x = 95,775.61

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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.