Home / 252,489.57-348,442.89-139,319.61

Finding the Fourth Proportional to 252,489.57, 348,442.89 and 139,319.61

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Solution

The fourth proportional to 252,489.57, 348,442.89 and 139,319.61 is: 192,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,489.57 : 348,442.89 = 139,319.61 : x
  2. Step 2: Convert to fraction form
    252,489.57/348,442.89 = 139,319.61/x
  3. Step 3: Cross multiply
    252,489.57x = 348,442.89 × 139,319.61
  4. Step 4: Simplify right side
    252,489.57x = 48,544,927,542.07
  5. Step 5: Solve for x
    x = 48,544,927,542.07/252,489.57
  6. Step 6: Final answer
    x = 192,265.08

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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.