Home / 107,912.92-161,849.80-29,008.72

Finding the Fourth Proportional to 107,912.92, 161,849.80 and 29,008.72

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Solution

The fourth proportional to 107,912.92, 161,849.80 and 29,008.72 is: 43,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.92 : 161,849.80 = 29,008.72 : x
  2. Step 2: Convert to fraction form
    107,912.92/161,849.80 = 29,008.72/x
  3. Step 3: Cross multiply
    107,912.92x = 161,849.80 × 29,008.72
  4. Step 4: Simplify right side
    107,912.92x = 4,695,055,530.26
  5. Step 5: Solve for x
    x = 4,695,055,530.26/107,912.92
  6. Step 6: Final answer
    x = 43,507.82

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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.