Home / 84,293.45-126,440.17-25,170.64

Finding the Fourth Proportional to 84,293.45, 126,440.17 and 25,170.64

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Solution

The fourth proportional to 84,293.45, 126,440.17 and 25,170.64 is: 37,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,293.45 : 126,440.17 = 25,170.64 : x
  2. Step 2: Convert to fraction form
    84,293.45/126,440.17 = 25,170.64/x
  3. Step 3: Cross multiply
    84,293.45x = 126,440.17 × 25,170.64
  4. Step 4: Simplify right side
    84,293.45x = 3,182,580,000.61
  5. Step 5: Solve for x
    x = 3,182,580,000.61/84,293.45
  6. Step 6: Final answer
    x = 37,755.96

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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.