Home / 154,327.20-231,490.80-148,422.30

Finding the Fourth Proportional to 154,327.20, 231,490.80 and 148,422.30

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Solution

The fourth proportional to 154,327.20, 231,490.80 and 148,422.30 is: 222,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,327.20 : 231,490.80 = 148,422.30 : x
  2. Step 2: Convert to fraction form
    154,327.20/231,490.80 = 148,422.30/x
  3. Step 3: Cross multiply
    154,327.20x = 231,490.80 × 148,422.30
  4. Step 4: Simplify right side
    154,327.20x = 34,358,396,964.84
  5. Step 5: Solve for x
    x = 34,358,396,964.84/154,327.20
  6. Step 6: Final answer
    x = 222,633.45

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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.