Home / 168,025.80-231,879.78-103,470.60

Finding the Fourth Proportional to 168,025.80, 231,879.78 and 103,470.60

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Solution

The fourth proportional to 168,025.80, 231,879.78 and 103,470.60 is: 142,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.80 : 231,879.78 = 103,470.60 : x
  2. Step 2: Convert to fraction form
    168,025.80/231,879.78 = 103,470.60/x
  3. Step 3: Cross multiply
    168,025.80x = 231,879.78 × 103,470.60
  4. Step 4: Simplify right side
    168,025.80x = 23,992,739,964.47
  5. Step 5: Solve for x
    x = 23,992,739,964.47/168,025.80
  6. Step 6: Final answer
    x = 142,792.00

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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.