Home / 138,408.24-207,507.68-58,470.96

Finding the Fourth Proportional to 138,408.24, 207,507.68 and 58,470.96

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Solution

The fourth proportional to 138,408.24, 207,507.68 and 58,470.96 is: 87,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,408.24 : 207,507.68 = 58,470.96 : x
  2. Step 2: Convert to fraction form
    138,408.24/207,507.68 = 58,470.96/x
  3. Step 3: Cross multiply
    138,408.24x = 207,507.68 × 58,470.96
  4. Step 4: Simplify right side
    138,408.24x = 12,133,173,256.97
  5. Step 5: Solve for x
    x = 12,133,173,256.97/138,408.24
  6. Step 6: Final answer
    x = 87,662.22

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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.