Home / 87,117.56-130,620.18-37,230.20

Finding the Fourth Proportional to 87,117.56, 130,620.18 and 37,230.20

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Solution

The fourth proportional to 87,117.56, 130,620.18 and 37,230.20 is: 55,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,117.56 : 130,620.18 = 37,230.20 : x
  2. Step 2: Convert to fraction form
    87,117.56/130,620.18 = 37,230.20/x
  3. Step 3: Cross multiply
    87,117.56x = 130,620.18 × 37,230.20
  4. Step 4: Simplify right side
    87,117.56x = 4,863,015,425.44
  5. Step 5: Solve for x
    x = 4,863,015,425.44/87,117.56
  6. Step 6: Final answer
    x = 55,821.30

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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.