Home / 252,720.85-348,755.97-138,001.83

Finding the Fourth Proportional to 252,720.85, 348,755.97 and 138,001.83

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Solution

The fourth proportional to 252,720.85, 348,755.97 and 138,001.83 is: 190,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,720.85 : 348,755.97 = 138,001.83 : x
  2. Step 2: Convert to fraction form
    252,720.85/348,755.97 = 138,001.83/x
  3. Step 3: Cross multiply
    252,720.85x = 348,755.97 × 138,001.83
  4. Step 4: Simplify right side
    252,720.85x = 48,128,962,600.93
  5. Step 5: Solve for x
    x = 48,128,962,600.93/252,720.85
  6. Step 6: Final answer
    x = 190,443.18

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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.