Home / 175,679.20-263,691.60-87,032.80

Finding the Fourth Proportional to 175,679.20, 263,691.60 and 87,032.80

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Solution

The fourth proportional to 175,679.20, 263,691.60 and 87,032.80 is: 130,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,679.20 : 263,691.60 = 87,032.80 : x
  2. Step 2: Convert to fraction form
    175,679.20/263,691.60 = 87,032.80/x
  3. Step 3: Cross multiply
    175,679.20x = 263,691.60 × 87,032.80
  4. Step 4: Simplify right side
    175,679.20x = 22,949,818,284.48
  5. Step 5: Solve for x
    x = 22,949,818,284.48/175,679.20
  6. Step 6: Final answer
    x = 130,634.81

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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.