Home / 154,022.68-231,062.82-48,813.40

Finding the Fourth Proportional to 154,022.68, 231,062.82 and 48,813.40

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Solution

The fourth proportional to 154,022.68, 231,062.82 and 48,813.40 is: 73,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.68 : 231,062.82 = 48,813.40 : x
  2. Step 2: Convert to fraction form
    154,022.68/231,062.82 = 48,813.40/x
  3. Step 3: Cross multiply
    154,022.68x = 231,062.82 × 48,813.40
  4. Step 4: Simplify right side
    154,022.68x = 11,278,961,857.79
  5. Step 5: Solve for x
    x = 11,278,961,857.79/154,022.68
  6. Step 6: Final answer
    x = 73,229.23

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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.