Home / 252,489.18-348,434.78-139,311.92

Finding the Fourth Proportional to 252,489.18, 348,434.78 and 139,311.92

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Solution

The fourth proportional to 252,489.18, 348,434.78 and 139,311.92 is: 192,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,489.18 : 348,434.78 = 139,311.92 : x
  2. Step 2: Convert to fraction form
    252,489.18/348,434.78 = 139,311.92/x
  3. Step 3: Cross multiply
    252,489.18x = 348,434.78 × 139,311.92
  4. Step 4: Simplify right side
    252,489.18x = 48,541,118,196.58
  5. Step 5: Solve for x
    x = 48,541,118,196.58/252,489.18
  6. Step 6: Final answer
    x = 192,250.29

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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.