Home / 111,214.20-166,821.30-98,383.80

Finding the Fourth Proportional to 111,214.20, 166,821.30 and 98,383.80

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Solution

The fourth proportional to 111,214.20, 166,821.30 and 98,383.80 is: 147,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,214.20 : 166,821.30 = 98,383.80 : x
  2. Step 2: Convert to fraction form
    111,214.20/166,821.30 = 98,383.80/x
  3. Step 3: Cross multiply
    111,214.20x = 166,821.30 × 98,383.80
  4. Step 4: Simplify right side
    111,214.20x = 16,412,513,414.94
  5. Step 5: Solve for x
    x = 16,412,513,414.94/111,214.20
  6. Step 6: Final answer
    x = 147,575.70

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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.