Home / 198,737.21-274,260.87-108,095.15

Finding the Fourth Proportional to 198,737.21, 274,260.87 and 108,095.15

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Solution

The fourth proportional to 198,737.21, 274,260.87 and 108,095.15 is: 149,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,737.21 : 274,260.87 = 108,095.15 : x
  2. Step 2: Convert to fraction form
    198,737.21/274,260.87 = 108,095.15/x
  3. Step 3: Cross multiply
    198,737.21x = 274,260.87 × 108,095.15
  4. Step 4: Simplify right side
    198,737.21x = 29,646,268,510.48
  5. Step 5: Solve for x
    x = 29,646,268,510.48/198,737.21
  6. Step 6: Final answer
    x = 149,173.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.