Home / 198,623.50-297,841.46-72,174.52

Finding the Fourth Proportional to 198,623.50, 297,841.46 and 72,174.52

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Solution

The fourth proportional to 198,623.50, 297,841.46 and 72,174.52 is: 108,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,623.50 : 297,841.46 = 72,174.52 : x
  2. Step 2: Convert to fraction form
    198,623.50/297,841.46 = 72,174.52/x
  3. Step 3: Cross multiply
    198,623.50x = 297,841.46 × 72,174.52
  4. Step 4: Simplify right side
    198,623.50x = 21,496,564,411.60
  5. Step 5: Solve for x
    x = 21,496,564,411.60/198,623.50
  6. Step 6: Final answer
    x = 108,227.70

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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.