Home / 154,310.05-231,563.49-65,563.59

Finding the Fourth Proportional to 154,310.05, 231,563.49 and 65,563.59

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Solution

The fourth proportional to 154,310.05, 231,563.49 and 65,563.59 is: 98,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,310.05 : 231,563.49 = 65,563.59 : x
  2. Step 2: Convert to fraction form
    154,310.05/231,563.49 = 65,563.59/x
  3. Step 3: Cross multiply
    154,310.05x = 231,563.49 × 65,563.59
  4. Step 4: Simplify right side
    154,310.05x = 15,182,133,717.33
  5. Step 5: Solve for x
    x = 15,182,133,717.33/154,310.05
  6. Step 6: Final answer
    x = 98,387.20

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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.