Home / 198,598.29-297,803.80-72,149.37

Finding the Fourth Proportional to 198,598.29, 297,803.80 and 72,149.37

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Solution

The fourth proportional to 198,598.29, 297,803.80 and 72,149.37 is: 108,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598.29 : 297,803.80 = 72,149.37 : x
  2. Step 2: Convert to fraction form
    198,598.29/297,803.80 = 72,149.37/x
  3. Step 3: Cross multiply
    198,598.29x = 297,803.80 × 72,149.37
  4. Step 4: Simplify right side
    198,598.29x = 21,486,356,553.61
  5. Step 5: Solve for x
    x = 21,486,356,553.61/198,598.29
  6. Step 6: Final answer
    x = 108,190.04

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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.