Home / 168,288.39-252,276.75-88,309.80

Finding the Fourth Proportional to 168,288.39, 252,276.75 and 88,309.80

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Solution

The fourth proportional to 168,288.39, 252,276.75 and 88,309.80 is: 132,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,288.39 : 252,276.75 = 88,309.80 : x
  2. Step 2: Convert to fraction form
    168,288.39/252,276.75 = 88,309.80/x
  3. Step 3: Cross multiply
    168,288.39x = 252,276.75 × 88,309.80
  4. Step 4: Simplify right side
    168,288.39x = 22,278,509,337.15
  5. Step 5: Solve for x
    x = 22,278,509,337.15/168,288.39
  6. Step 6: Final answer
    x = 132,382.93

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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.