Home / 198,623.53-297,841.38-72,175.66

Finding the Fourth Proportional to 198,623.53, 297,841.38 and 72,175.66

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Solution

The fourth proportional to 198,623.53, 297,841.38 and 72,175.66 is: 108,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,623.53 : 297,841.38 = 72,175.66 : x
  2. Step 2: Convert to fraction form
    198,623.53/297,841.38 = 72,175.66/x
  3. Step 3: Cross multiply
    198,623.53x = 297,841.38 × 72,175.66
  4. Step 4: Simplify right side
    198,623.53x = 21,496,898,176.81
  5. Step 5: Solve for x
    x = 21,496,898,176.81/198,623.53
  6. Step 6: Final answer
    x = 108,229.36

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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.