Home / 84,186.49-126,279.45-34,254.73

Finding the Fourth Proportional to 84,186.49, 126,279.45 and 34,254.73

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Solution

The fourth proportional to 84,186.49, 126,279.45 and 34,254.73 is: 51,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,186.49 : 126,279.45 = 34,254.73 : x
  2. Step 2: Convert to fraction form
    84,186.49/126,279.45 = 34,254.73/x
  3. Step 3: Cross multiply
    84,186.49x = 126,279.45 × 34,254.73
  4. Step 4: Simplify right side
    84,186.49x = 4,325,668,464.30
  5. Step 5: Solve for x
    x = 4,325,668,464.30/84,186.49
  6. Step 6: Final answer
    x = 51,381.98

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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.