Home / 154,046.20-231,069.30-94,689.40

Finding the Fourth Proportional to 154,046.20, 231,069.30 and 94,689.40

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Solution

The fourth proportional to 154,046.20, 231,069.30 and 94,689.40 is: 142,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,046.20 : 231,069.30 = 94,689.40 : x
  2. Step 2: Convert to fraction form
    154,046.20/231,069.30 = 94,689.40/x
  3. Step 3: Cross multiply
    154,046.20x = 231,069.30 × 94,689.40
  4. Step 4: Simplify right side
    154,046.20x = 21,879,813,375.42
  5. Step 5: Solve for x
    x = 21,879,813,375.42/154,046.20
  6. Step 6: Final answer
    x = 142,034.10

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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.