Home / 217,180.20-325,881.77-103,456.80

Finding the Fourth Proportional to 217,180.20, 325,881.77 and 103,456.80

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Solution

The fourth proportional to 217,180.20, 325,881.77 and 103,456.80 is: 155,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,180.20 : 325,881.77 = 103,456.80 : x
  2. Step 2: Convert to fraction form
    217,180.20/325,881.77 = 103,456.80/x
  3. Step 3: Cross multiply
    217,180.20x = 325,881.77 × 103,456.80
  4. Step 4: Simplify right side
    217,180.20x = 33,714,684,585.25
  5. Step 5: Solve for x
    x = 33,714,684,585.25/217,180.20
  6. Step 6: Final answer
    x = 155,238.30

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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.