Home / 185,015.60-255,321.53-100,132.66

Finding the Fourth Proportional to 185,015.60, 255,321.53 and 100,132.66

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Solution

The fourth proportional to 185,015.60, 255,321.53 and 100,132.66 is: 138,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.60 : 255,321.53 = 100,132.66 : x
  2. Step 2: Convert to fraction form
    185,015.60/255,321.53 = 100,132.66/x
  3. Step 3: Cross multiply
    185,015.60x = 255,321.53 × 100,132.66
  4. Step 4: Simplify right side
    185,015.60x = 25,566,022,815.20
  5. Step 5: Solve for x
    x = 25,566,022,815.20/185,015.60
  6. Step 6: Final answer
    x = 138,183.07

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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.