Home / 112,540.20-168,761.70-56,358.60

Finding the Fourth Proportional to 112,540.20, 168,761.70 and 56,358.60

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Solution

The fourth proportional to 112,540.20, 168,761.70 and 56,358.60 is: 84,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,540.20 : 168,761.70 = 56,358.60 : x
  2. Step 2: Convert to fraction form
    112,540.20/168,761.70 = 56,358.60/x
  3. Step 3: Cross multiply
    112,540.20x = 168,761.70 × 56,358.60
  4. Step 4: Simplify right side
    112,540.20x = 9,511,173,145.62
  5. Step 5: Solve for x
    x = 9,511,173,145.62/112,540.20
  6. Step 6: Final answer
    x = 84,513.56

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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.