Home / 154,412.20-231,618.30-75,680.20

Finding the Fourth Proportional to 154,412.20, 231,618.30 and 75,680.20

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Solution

The fourth proportional to 154,412.20, 231,618.30 and 75,680.20 is: 113,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.20 : 231,618.30 = 75,680.20 : x
  2. Step 2: Convert to fraction form
    154,412.20/231,618.30 = 75,680.20/x
  3. Step 3: Cross multiply
    154,412.20x = 231,618.30 × 75,680.20
  4. Step 4: Simplify right side
    154,412.20x = 17,528,919,267.66
  5. Step 5: Solve for x
    x = 17,528,919,267.66/154,412.20
  6. Step 6: Final answer
    x = 113,520.30

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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.