Home / 75,230.40-112,851.28-25,310.64

Finding the Fourth Proportional to 75,230.40, 112,851.28 and 25,310.64

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Solution

The fourth proportional to 75,230.40, 112,851.28 and 25,310.64 is: 37,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230.40 : 112,851.28 = 25,310.64 : x
  2. Step 2: Convert to fraction form
    75,230.40/112,851.28 = 25,310.64/x
  3. Step 3: Cross multiply
    75,230.40x = 112,851.28 × 25,310.64
  4. Step 4: Simplify right side
    75,230.40x = 2,856,338,121.62
  5. Step 5: Solve for x
    x = 2,856,338,121.62/75,230.40
  6. Step 6: Final answer
    x = 37,967.87

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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.