Home / 138,380.37-207,409.24-63,508.42

Finding the Fourth Proportional to 138,380.37, 207,409.24 and 63,508.42

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Solution

The fourth proportional to 138,380.37, 207,409.24 and 63,508.42 is: 95,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,380.37 : 207,409.24 = 63,508.42 : x
  2. Step 2: Convert to fraction form
    138,380.37/207,409.24 = 63,508.42/x
  3. Step 3: Cross multiply
    138,380.37x = 207,409.24 × 63,508.42
  4. Step 4: Simplify right side
    138,380.37x = 13,172,233,125.80
  5. Step 5: Solve for x
    x = 13,172,233,125.80/138,380.37
  6. Step 6: Final answer
    x = 95,188.60

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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.