Home / 138,376.37-207,403.26-63,504.42

Finding the Fourth Proportional to 138,376.37, 207,403.26 and 63,504.42

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Solution

The fourth proportional to 138,376.37, 207,403.26 and 63,504.42 is: 95,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,376.37 : 207,403.26 = 63,504.42 : x
  2. Step 2: Convert to fraction form
    138,376.37/207,403.26 = 63,504.42/x
  3. Step 3: Cross multiply
    138,376.37x = 207,403.26 × 63,504.42
  4. Step 4: Simplify right side
    138,376.37x = 13,171,023,732.41
  5. Step 5: Solve for x
    x = 13,171,023,732.41/138,376.37
  6. Step 6: Final answer
    x = 95,182.61

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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.