Home / 252,785.28-348,845.76-139,609.92

Finding the Fourth Proportional to 252,785.28, 348,845.76 and 139,609.92

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Solution

The fourth proportional to 252,785.28, 348,845.76 and 139,609.92 is: 192,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,785.28 : 348,845.76 = 139,609.92 : x
  2. Step 2: Convert to fraction form
    252,785.28/348,845.76 = 139,609.92/x
  3. Step 3: Cross multiply
    252,785.28x = 348,845.76 × 139,609.92
  4. Step 4: Simplify right side
    252,785.28x = 48,702,328,645.94
  5. Step 5: Solve for x
    x = 48,702,328,645.94/252,785.28
  6. Step 6: Final answer
    x = 192,662.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.