Home / 154,449.45-231,514.74-87,745.95

Finding the Fourth Proportional to 154,449.45, 231,514.74 and 87,745.95

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Solution

The fourth proportional to 154,449.45, 231,514.74 and 87,745.95 is: 131,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,449.45 : 231,514.74 = 87,745.95 : x
  2. Step 2: Convert to fraction form
    154,449.45/231,514.74 = 87,745.95/x
  3. Step 3: Cross multiply
    154,449.45x = 231,514.74 × 87,745.95
  4. Step 4: Simplify right side
    154,449.45x = 20,314,480,800.30
  5. Step 5: Solve for x
    x = 20,314,480,800.30/154,449.45
  6. Step 6: Final answer
    x = 131,528.35

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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.