Home / 154,498.05-231,587.30-87,794.55

Finding the Fourth Proportional to 154,498.05, 231,587.30 and 87,794.55

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Solution

The fourth proportional to 154,498.05, 231,587.30 and 87,794.55 is: 131,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,498.05 : 231,587.30 = 87,794.55 : x
  2. Step 2: Convert to fraction form
    154,498.05/231,587.30 = 87,794.55/x
  3. Step 3: Cross multiply
    154,498.05x = 231,587.30 × 87,794.55
  4. Step 4: Simplify right side
    154,498.05x = 20,332,103,008.70
  5. Step 5: Solve for x
    x = 20,332,103,008.70/154,498.05
  6. Step 6: Final answer
    x = 131,601.03

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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.