Home / 84,185.38-126,250.85-28,010.41

Finding the Fourth Proportional to 84,185.38, 126,250.85 and 28,010.41

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Solution

The fourth proportional to 84,185.38, 126,250.85 and 28,010.41 is: 42,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.38 : 126,250.85 = 28,010.41 : x
  2. Step 2: Convert to fraction form
    84,185.38/126,250.85 = 28,010.41/x
  3. Step 3: Cross multiply
    84,185.38x = 126,250.85 × 28,010.41
  4. Step 4: Simplify right side
    84,185.38x = 3,536,337,931.30
  5. Step 5: Solve for x
    x = 3,536,337,931.30/84,185.38
  6. Step 6: Final answer
    x = 42,006.56

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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.