Home / 154,506.24-231,723-87,067.68

Finding the Fourth Proportional to 154,506.24, 231,723 and 87,067.68

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Solution

The fourth proportional to 154,506.24, 231,723 and 87,067.68 is: 130,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,506.24 : 231,723 = 87,067.68 : x
  2. Step 2: Convert to fraction form
    154,506.24/231,723 = 87,067.68/x
  3. Step 3: Cross multiply
    154,506.24x = 231,723 × 87,067.68
  4. Step 4: Simplify right side
    154,506.24x = 20,175,584,012.64
  5. Step 5: Solve for x
    x = 20,175,584,012.64/154,506.24
  6. Step 6: Final answer
    x = 130,581.03

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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.