Home / 87,100.26-120,199.74-48,868.32

Finding the Fourth Proportional to 87,100.26, 120,199.74 and 48,868.32

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Solution

The fourth proportional to 87,100.26, 120,199.74 and 48,868.32 is: 67,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,100.26 : 120,199.74 = 48,868.32 : x
  2. Step 2: Convert to fraction form
    87,100.26/120,199.74 = 48,868.32/x
  3. Step 3: Cross multiply
    87,100.26x = 120,199.74 × 48,868.32
  4. Step 4: Simplify right side
    87,100.26x = 5,873,959,358.24
  5. Step 5: Solve for x
    x = 5,873,959,358.24/87,100.26
  6. Step 6: Final answer
    x = 67,439.06

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1.5x scale

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.