Home / 154,299.18-231,447.12-117,087.78

Finding the Fourth Proportional to 154,299.18, 231,447.12 and 117,087.78

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Solution

The fourth proportional to 154,299.18, 231,447.12 and 117,087.78 is: 175,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,299.18 : 231,447.12 = 117,087.78 : x
  2. Step 2: Convert to fraction form
    154,299.18/231,447.12 = 117,087.78/x
  3. Step 3: Cross multiply
    154,299.18x = 231,447.12 × 117,087.78
  4. Step 4: Simplify right side
    154,299.18x = 27,099,629,468.19
  5. Step 5: Solve for x
    x = 27,099,629,468.19/154,299.18
  6. Step 6: Final answer
    x = 175,630.42

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1.5x scale

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.