Home / 154,255.65-230,891.40-120,794.55

Finding the Fourth Proportional to 154,255.65, 230,891.40 and 120,794.55

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Solution

The fourth proportional to 154,255.65, 230,891.40 and 120,794.55 is: 180,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,255.65 : 230,891.40 = 120,794.55 : x
  2. Step 2: Convert to fraction form
    154,255.65/230,891.40 = 120,794.55/x
  3. Step 3: Cross multiply
    154,255.65x = 230,891.40 × 120,794.55
  4. Step 4: Simplify right side
    154,255.65x = 27,890,422,761.87
  5. Step 5: Solve for x
    x = 27,890,422,761.87/154,255.65
  6. Step 6: Final answer
    x = 180,806.49

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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.