Home / 87,160.32-130,783.68-40,404.96

Finding the Fourth Proportional to 87,160.32, 130,783.68 and 40,404.96

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Solution

The fourth proportional to 87,160.32, 130,783.68 and 40,404.96 is: 60,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.32 : 130,783.68 = 40,404.96 : x
  2. Step 2: Convert to fraction form
    87,160.32/130,783.68 = 40,404.96/x
  3. Step 3: Cross multiply
    87,160.32x = 130,783.68 × 40,404.96
  4. Step 4: Simplify right side
    87,160.32x = 5,284,309,359.05
  5. Step 5: Solve for x
    x = 5,284,309,359.05/87,160.32
  6. Step 6: Final answer
    x = 60,627.47

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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.