Home / 198,531.01-297,852.11-80,285.39

Finding the Fourth Proportional to 198,531.01, 297,852.11 and 80,285.39

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Solution

The fourth proportional to 198,531.01, 297,852.11 and 80,285.39 is: 120,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,531.01 : 297,852.11 = 80,285.39 : x
  2. Step 2: Convert to fraction form
    198,531.01/297,852.11 = 80,285.39/x
  3. Step 3: Cross multiply
    198,531.01x = 297,852.11 × 80,285.39
  4. Step 4: Simplify right side
    198,531.01x = 23,913,172,341.00
  5. Step 5: Solve for x
    x = 23,913,172,341.00/198,531.01
  6. Step 6: Final answer
    x = 120,450.56

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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.