Home / 154,396.03-231,616.18-47,789.35

Finding the Fourth Proportional to 154,396.03, 231,616.18 and 47,789.35

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Solution

The fourth proportional to 154,396.03, 231,616.18 and 47,789.35 is: 71,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,396.03 : 231,616.18 = 47,789.35 : x
  2. Step 2: Convert to fraction form
    154,396.03/231,616.18 = 47,789.35/x
  3. Step 3: Cross multiply
    154,396.03x = 231,616.18 × 47,789.35
  4. Step 4: Simplify right side
    154,396.03x = 11,068,786,167.23
  5. Step 5: Solve for x
    x = 11,068,786,167.23/154,396.03
  6. Step 6: Final answer
    x = 71,690.87

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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.