Home / 138,801.24-208,170.72-63,849.42

Finding the Fourth Proportional to 138,801.24, 208,170.72 and 63,849.42

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Solution

The fourth proportional to 138,801.24, 208,170.72 and 63,849.42 is: 95,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,801.24 : 208,170.72 = 63,849.42 : x
  2. Step 2: Convert to fraction form
    138,801.24/208,170.72 = 63,849.42/x
  3. Step 3: Cross multiply
    138,801.24x = 208,170.72 × 63,849.42
  4. Step 4: Simplify right side
    138,801.24x = 13,291,579,732.98
  5. Step 5: Solve for x
    x = 13,291,579,732.98/138,801.24
  6. Step 6: Final answer
    x = 95,759.81

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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.