Home / 154,020.20-213,635.25-149,923.62

Finding the Fourth Proportional to 154,020.20, 213,635.25 and 149,923.62

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Solution

The fourth proportional to 154,020.20, 213,635.25 and 149,923.62 is: 207,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,020.20 : 213,635.25 = 149,923.62 : x
  2. Step 2: Convert to fraction form
    154,020.20/213,635.25 = 149,923.62/x
  3. Step 3: Cross multiply
    154,020.20x = 213,635.25 × 149,923.62
  4. Step 4: Simplify right side
    154,020.20x = 32,028,970,039.61
  5. Step 5: Solve for x
    x = 32,028,970,039.61/154,020.20
  6. Step 6: Final answer
    x = 207,953.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.