Home / 148,471.68-204,623.19-108,121.53

Finding the Fourth Proportional to 148,471.68, 204,623.19 and 108,121.53

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Solution

The fourth proportional to 148,471.68, 204,623.19 and 108,121.53 is: 149,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,471.68 : 204,623.19 = 108,121.53 : x
  2. Step 2: Convert to fraction form
    148,471.68/204,623.19 = 108,121.53/x
  3. Step 3: Cross multiply
    148,471.68x = 204,623.19 × 108,121.53
  4. Step 4: Simplify right side
    148,471.68x = 22,124,172,376.28
  5. Step 5: Solve for x
    x = 22,124,172,376.28/148,471.68
  6. Step 6: Final answer
    x = 149,012.74

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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.