Home / 87,842.40-131,725.20-35,234.40

Finding the Fourth Proportional to 87,842.40, 131,725.20 and 35,234.40

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Solution

The fourth proportional to 87,842.40, 131,725.20 and 35,234.40 is: 52,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,842.40 : 131,725.20 = 35,234.40 : x
  2. Step 2: Convert to fraction form
    87,842.40/131,725.20 = 35,234.40/x
  3. Step 3: Cross multiply
    87,842.40x = 131,725.20 × 35,234.40
  4. Step 4: Simplify right side
    87,842.40x = 4,641,258,386.88
  5. Step 5: Solve for x
    x = 4,641,258,386.88/87,842.40
  6. Step 6: Final answer
    x = 52,836.20

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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.