Home / 154,064.20-231,333.90-84,080.20

Finding the Fourth Proportional to 154,064.20, 231,333.90 and 84,080.20

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Solution

The fourth proportional to 154,064.20, 231,333.90 and 84,080.20 is: 126,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.20 : 231,333.90 = 84,080.20 : x
  2. Step 2: Convert to fraction form
    154,064.20/231,333.90 = 84,080.20/x
  3. Step 3: Cross multiply
    154,064.20x = 231,333.90 × 84,080.20
  4. Step 4: Simplify right side
    154,064.20x = 19,450,600,578.78
  5. Step 5: Solve for x
    x = 19,450,600,578.78/154,064.20
  6. Step 6: Final answer
    x = 126,249.97

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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.