Home / 154,433.40-231,410.88-107,140.38

Finding the Fourth Proportional to 154,433.40, 231,410.88 and 107,140.38

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Solution

The fourth proportional to 154,433.40, 231,410.88 and 107,140.38 is: 160,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,433.40 : 231,410.88 = 107,140.38 : x
  2. Step 2: Convert to fraction form
    154,433.40/231,410.88 = 107,140.38/x
  3. Step 3: Cross multiply
    154,433.40x = 231,410.88 × 107,140.38
  4. Step 4: Simplify right side
    154,433.40x = 24,793,449,619.33
  5. Step 5: Solve for x
    x = 24,793,449,619.33/154,433.40
  6. Step 6: Final answer
    x = 160,544.61

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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.