Home / 198,003.02-297,010.20-71,654.90

Finding the Fourth Proportional to 198,003.02, 297,010.20 and 71,654.90

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Solution

The fourth proportional to 198,003.02, 297,010.20 and 71,654.90 is: 107,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.02 : 297,010.20 = 71,654.90 : x
  2. Step 2: Convert to fraction form
    198,003.02/297,010.20 = 71,654.90/x
  3. Step 3: Cross multiply
    198,003.02x = 297,010.20 × 71,654.90
  4. Step 4: Simplify right side
    198,003.02x = 21,282,236,179.98
  5. Step 5: Solve for x
    x = 21,282,236,179.98/198,003.02
  6. Step 6: Final answer
    x = 107,484.40

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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.