Home / 138,449.30-207,670.96-38,606.83

Finding the Fourth Proportional to 138,449.30, 207,670.96 and 38,606.83

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Solution

The fourth proportional to 138,449.30, 207,670.96 and 38,606.83 is: 57,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,449.30 : 207,670.96 = 38,606.83 : x
  2. Step 2: Convert to fraction form
    138,449.30/207,670.96 = 38,606.83/x
  3. Step 3: Cross multiply
    138,449.30x = 207,670.96 × 38,606.83
  4. Step 4: Simplify right side
    138,449.30x = 8,017,517,448.66
  5. Step 5: Solve for x
    x = 8,017,517,448.66/138,449.30
  6. Step 6: Final answer
    x = 57,909.41

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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.