Home / 198,102.20-297,153.30-73,417.40

Finding the Fourth Proportional to 198,102.20, 297,153.30 and 73,417.40

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Solution

The fourth proportional to 198,102.20, 297,153.30 and 73,417.40 is: 110,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,102.20 : 297,153.30 = 73,417.40 : x
  2. Step 2: Convert to fraction form
    198,102.20/297,153.30 = 73,417.40/x
  3. Step 3: Cross multiply
    198,102.20x = 297,153.30 × 73,417.40
  4. Step 4: Simplify right side
    198,102.20x = 21,816,222,687.42
  5. Step 5: Solve for x
    x = 21,816,222,687.42/198,102.20
  6. Step 6: Final answer
    x = 110,126.10

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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.