Home / 87,476.16-131,213.37-40,077.80

Finding the Fourth Proportional to 87,476.16, 131,213.37 and 40,077.80

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Solution

The fourth proportional to 87,476.16, 131,213.37 and 40,077.80 is: 60,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.16 : 131,213.37 = 40,077.80 : x
  2. Step 2: Convert to fraction form
    87,476.16/131,213.37 = 40,077.80/x
  3. Step 3: Cross multiply
    87,476.16x = 131,213.37 × 40,077.80
  4. Step 4: Simplify right side
    87,476.16x = 5,258,743,200.19
  5. Step 5: Solve for x
    x = 5,258,743,200.19/87,476.16
  6. Step 6: Final answer
    x = 60,116.30

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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.