Home / 154,121.16-231,248.52-54,352.68

Finding the Fourth Proportional to 154,121.16, 231,248.52 and 54,352.68

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Solution

The fourth proportional to 154,121.16, 231,248.52 and 54,352.68 is: 81,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,121.16 : 231,248.52 = 54,352.68 : x
  2. Step 2: Convert to fraction form
    154,121.16/231,248.52 = 54,352.68/x
  3. Step 3: Cross multiply
    154,121.16x = 231,248.52 × 54,352.68
  4. Step 4: Simplify right side
    154,121.16x = 12,568,976,808.03
  5. Step 5: Solve for x
    x = 12,568,976,808.03/154,121.16
  6. Step 6: Final answer
    x = 81,552.57

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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.