Home / 154,232.62-212,755.53-89,694.79

Finding the Fourth Proportional to 154,232.62, 212,755.53 and 89,694.79

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Solution

The fourth proportional to 154,232.62, 212,755.53 and 89,694.79 is: 123,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,232.62 : 212,755.53 = 89,694.79 : x
  2. Step 2: Convert to fraction form
    154,232.62/212,755.53 = 89,694.79/x
  3. Step 3: Cross multiply
    154,232.62x = 212,755.53 × 89,694.79
  4. Step 4: Simplify right side
    154,232.62x = 19,083,062,584.69
  5. Step 5: Solve for x
    x = 19,083,062,584.69/154,232.62
  6. Step 6: Final answer
    x = 123,729.10

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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.