Home / 138,604.24-207,932-43,858.28

Finding the Fourth Proportional to 138,604.24, 207,932 and 43,858.28

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Solution

The fourth proportional to 138,604.24, 207,932 and 43,858.28 is: 65,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,604.24 : 207,932 = 43,858.28 : x
  2. Step 2: Convert to fraction form
    138,604.24/207,932 = 43,858.28/x
  3. Step 3: Cross multiply
    138,604.24x = 207,932 × 43,858.28
  4. Step 4: Simplify right side
    138,604.24x = 9,119,539,876.96
  5. Step 5: Solve for x
    x = 9,119,539,876.96/138,604.24
  6. Step 6: Final answer
    x = 65,795.53

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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.