Home / 87,114.26-120,217.56-49,388.51

Finding the Fourth Proportional to 87,114.26, 120,217.56 and 49,388.51

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Solution

The fourth proportional to 87,114.26, 120,217.56 and 49,388.51 is: 68,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114.26 : 120,217.56 = 49,388.51 : x
  2. Step 2: Convert to fraction form
    87,114.26/120,217.56 = 49,388.51/x
  3. Step 3: Cross multiply
    87,114.26x = 120,217.56 × 49,388.51
  4. Step 4: Simplify right side
    87,114.26x = 5,937,366,164.24
  5. Step 5: Solve for x
    x = 5,937,366,164.24/87,114.26
  6. Step 6: Final answer
    x = 68,156.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.