Home / 175,387.54-263,120.25-81,842.26

Finding the Fourth Proportional to 175,387.54, 263,120.25 and 81,842.26

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Solution

The fourth proportional to 175,387.54, 263,120.25 and 81,842.26 is: 122,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,387.54 : 263,120.25 = 81,842.26 : x
  2. Step 2: Convert to fraction form
    175,387.54/263,120.25 = 81,842.26/x
  3. Step 3: Cross multiply
    175,387.54x = 263,120.25 × 81,842.26
  4. Step 4: Simplify right side
    175,387.54x = 21,534,354,596.16
  5. Step 5: Solve for x
    x = 21,534,354,596.16/175,387.54
  6. Step 6: Final answer
    x = 122,781.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.