Home / 154,300.40-231,796.20-148,002.80

Finding the Fourth Proportional to 154,300.40, 231,796.20 and 148,002.80

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Solution

The fourth proportional to 154,300.40, 231,796.20 and 148,002.80 is: 222,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,300.40 : 231,796.20 = 148,002.80 : x
  2. Step 2: Convert to fraction form
    154,300.40/231,796.20 = 148,002.80/x
  3. Step 3: Cross multiply
    154,300.40x = 231,796.20 × 148,002.80
  4. Step 4: Simplify right side
    154,300.40x = 34,306,486,629.36
  5. Step 5: Solve for x
    x = 34,306,486,629.36/154,300.40
  6. Step 6: Final answer
    x = 222,335.69

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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.