Home / 84,305.12-126,463.14-25,146.77

Finding the Fourth Proportional to 84,305.12, 126,463.14 and 25,146.77

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Solution

The fourth proportional to 84,305.12, 126,463.14 and 25,146.77 is: 37,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,305.12 : 126,463.14 = 25,146.77 : x
  2. Step 2: Convert to fraction form
    84,305.12/126,463.14 = 25,146.77/x
  3. Step 3: Cross multiply
    84,305.12x = 126,463.14 × 25,146.77
  4. Step 4: Simplify right side
    84,305.12x = 3,180,138,862.74
  5. Step 5: Solve for x
    x = 3,180,138,862.74/84,305.12
  6. Step 6: Final answer
    x = 37,721.78

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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.