Home / 108,972.45-163,458.39-29,010.42

Finding the Fourth Proportional to 108,972.45, 163,458.39 and 29,010.42

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Solution

The fourth proportional to 108,972.45, 163,458.39 and 29,010.42 is: 43,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.45 : 163,458.39 = 29,010.42 : x
  2. Step 2: Convert to fraction form
    108,972.45/163,458.39 = 29,010.42/x
  3. Step 3: Cross multiply
    108,972.45x = 163,458.39 × 29,010.42
  4. Step 4: Simplify right side
    108,972.45x = 4,741,996,546.42
  5. Step 5: Solve for x
    x = 4,741,996,546.42/108,972.45
  6. Step 6: Final answer
    x = 43,515.55

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1.5x scale

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.