Home / 87,194.83-120,324.74-48,435.16

Finding the Fourth Proportional to 87,194.83, 120,324.74 and 48,435.16

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Solution

The fourth proportional to 87,194.83, 120,324.74 and 48,435.16 is: 66,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.83 : 120,324.74 = 48,435.16 : x
  2. Step 2: Convert to fraction form
    87,194.83/120,324.74 = 48,435.16/x
  3. Step 3: Cross multiply
    87,194.83x = 120,324.74 × 48,435.16
  4. Step 4: Simplify right side
    87,194.83x = 5,827,948,033.86
  5. Step 5: Solve for x
    x = 5,827,948,033.86/87,194.83
  6. Step 6: Final answer
    x = 66,838.23

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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.