Home / 198,003.20-297,002.10-64,887.80

Finding the Fourth Proportional to 198,003.20, 297,002.10 and 64,887.80

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Solution

The fourth proportional to 198,003.20, 297,002.10 and 64,887.80 is: 97,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.20 : 297,002.10 = 64,887.80 : x
  2. Step 2: Convert to fraction form
    198,003.20/297,002.10 = 64,887.80/x
  3. Step 3: Cross multiply
    198,003.20x = 297,002.10 × 64,887.80
  4. Step 4: Simplify right side
    198,003.20x = 19,271,812,864.38
  5. Step 5: Solve for x
    x = 19,271,812,864.38/198,003.20
  6. Step 6: Final answer
    x = 97,330.82

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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.