Home / 138,429.08-207,609.06-44,961.56

Finding the Fourth Proportional to 138,429.08, 207,609.06 and 44,961.56

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Solution

The fourth proportional to 138,429.08, 207,609.06 and 44,961.56 is: 67,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,429.08 : 207,609.06 = 44,961.56 : x
  2. Step 2: Convert to fraction form
    138,429.08/207,609.06 = 44,961.56/x
  3. Step 3: Cross multiply
    138,429.08x = 207,609.06 × 44,961.56
  4. Step 4: Simplify right side
    138,429.08x = 9,334,427,207.73
  5. Step 5: Solve for x
    x = 9,334,427,207.73/138,429.08
  6. Step 6: Final answer
    x = 67,431.11

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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.