Home / 154,658.20-231,987.30-75,926.20

Finding the Fourth Proportional to 154,658.20, 231,987.30 and 75,926.20

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Solution

The fourth proportional to 154,658.20, 231,987.30 and 75,926.20 is: 113,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,658.20 : 231,987.30 = 75,926.20 : x
  2. Step 2: Convert to fraction form
    154,658.20/231,987.30 = 75,926.20/x
  3. Step 3: Cross multiply
    154,658.20x = 231,987.30 × 75,926.20
  4. Step 4: Simplify right side
    154,658.20x = 17,613,914,137.26
  5. Step 5: Solve for x
    x = 17,613,914,137.26/154,658.20
  6. Step 6: Final answer
    x = 113,889.30

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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.