Home / 108,634.20-162,821.70-97,488.60

Finding the Fourth Proportional to 108,634.20, 162,821.70 and 97,488.60

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Solution

The fourth proportional to 108,634.20, 162,821.70 and 97,488.60 is: 146,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634.20 : 162,821.70 = 97,488.60 : x
  2. Step 2: Convert to fraction form
    108,634.20/162,821.70 = 97,488.60/x
  3. Step 3: Cross multiply
    108,634.20x = 162,821.70 × 97,488.60
  4. Step 4: Simplify right side
    108,634.20x = 15,873,259,582.62
  5. Step 5: Solve for x
    x = 15,873,259,582.62/108,634.20
  6. Step 6: Final answer
    x = 146,116.60

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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.