Home / 138,263.32-207,462.75-49,523.68

Finding the Fourth Proportional to 138,263.32, 207,462.75 and 49,523.68

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Solution

The fourth proportional to 138,263.32, 207,462.75 and 49,523.68 is: 74,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,263.32 : 207,462.75 = 49,523.68 : x
  2. Step 2: Convert to fraction form
    138,263.32/207,462.75 = 49,523.68/x
  3. Step 3: Cross multiply
    138,263.32x = 207,462.75 × 49,523.68
  4. Step 4: Simplify right side
    138,263.32x = 10,274,318,842.92
  5. Step 5: Solve for x
    x = 10,274,318,842.92/138,263.32
  6. Step 6: Final answer
    x = 74,309.79

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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.