Home / 154,254.44-212,872.76-90,593.30

Finding the Fourth Proportional to 154,254.44, 212,872.76 and 90,593.30

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Solution

The fourth proportional to 154,254.44, 212,872.76 and 90,593.30 is: 125,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,254.44 : 212,872.76 = 90,593.30 : x
  2. Step 2: Convert to fraction form
    154,254.44/212,872.76 = 90,593.30/x
  3. Step 3: Cross multiply
    154,254.44x = 212,872.76 × 90,593.30
  4. Step 4: Simplify right side
    154,254.44x = 19,284,846,227.45
  5. Step 5: Solve for x
    x = 19,284,846,227.45/154,254.44
  6. Step 6: Final answer
    x = 125,019.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.