Home / 126,842.35-175,043.73-76,531.63

Finding the Fourth Proportional to 126,842.35, 175,043.73 and 76,531.63

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Solution

The fourth proportional to 126,842.35, 175,043.73 and 76,531.63 is: 105,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.35 : 175,043.73 = 76,531.63 : x
  2. Step 2: Convert to fraction form
    126,842.35/175,043.73 = 76,531.63/x
  3. Step 3: Cross multiply
    126,842.35x = 175,043.73 × 76,531.63
  4. Step 4: Simplify right side
    126,842.35x = 13,396,380,720.30
  5. Step 5: Solve for x
    x = 13,396,380,720.30/126,842.35
  6. Step 6: Final answer
    x = 105,614.42

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1.5x scale

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.