Home / 154,227.54-231,267.69-90,203.73

Finding the Fourth Proportional to 154,227.54, 231,267.69 and 90,203.73

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Solution

The fourth proportional to 154,227.54, 231,267.69 and 90,203.73 is: 135,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,227.54 : 231,267.69 = 90,203.73 : x
  2. Step 2: Convert to fraction form
    154,227.54/231,267.69 = 90,203.73/x
  3. Step 3: Cross multiply
    154,227.54x = 231,267.69 × 90,203.73
  4. Step 4: Simplify right side
    154,227.54x = 20,861,208,266.48
  5. Step 5: Solve for x
    x = 20,861,208,266.48/154,227.54
  6. Step 6: Final answer
    x = 135,262.54

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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.