Home / 252,333.75-348,220.35-137,612.61

Finding the Fourth Proportional to 252,333.75, 348,220.35 and 137,612.61

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Solution

The fourth proportional to 252,333.75, 348,220.35 and 137,612.61 is: 189,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,333.75 : 348,220.35 = 137,612.61 : x
  2. Step 2: Convert to fraction form
    252,333.75/348,220.35 = 137,612.61/x
  3. Step 3: Cross multiply
    252,333.75x = 348,220.35 × 137,612.61
  4. Step 4: Simplify right side
    252,333.75x = 47,919,511,218.61
  5. Step 5: Solve for x
    x = 47,919,511,218.61/252,333.75
  6. Step 6: Final answer
    x = 189,905.28

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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.