Home / 84,269.39-126,422.35-25,109.83

Finding the Fourth Proportional to 84,269.39, 126,422.35 and 25,109.83

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Solution

The fourth proportional to 84,269.39, 126,422.35 and 25,109.83 is: 37,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,269.39 : 126,422.35 = 25,109.83 : x
  2. Step 2: Convert to fraction form
    84,269.39/126,422.35 = 25,109.83/x
  3. Step 3: Cross multiply
    84,269.39x = 126,422.35 × 25,109.83
  4. Step 4: Simplify right side
    84,269.39x = 3,174,443,716.70
  5. Step 5: Solve for x
    x = 3,174,443,716.70/84,269.39
  6. Step 6: Final answer
    x = 37,670.19

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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.