Home / 87,304.44-130,222.23-84,680.76

Finding the Fourth Proportional to 87,304.44, 130,222.23 and 84,680.76

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Solution

The fourth proportional to 87,304.44, 130,222.23 and 84,680.76 is: 126,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.44 : 130,222.23 = 84,680.76 : x
  2. Step 2: Convert to fraction form
    87,304.44/130,222.23 = 84,680.76/x
  3. Step 3: Cross multiply
    87,304.44x = 130,222.23 × 84,680.76
  4. Step 4: Simplify right side
    87,304.44x = 11,027,317,405.29
  5. Step 5: Solve for x
    x = 11,027,317,405.29/87,304.44
  6. Step 6: Final answer
    x = 126,308.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.