Home / 154,893.15-231,965.49-88,131.02

Finding the Fourth Proportional to 154,893.15, 231,965.49 and 88,131.02

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Solution

The fourth proportional to 154,893.15, 231,965.49 and 88,131.02 is: 131,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,893.15 : 231,965.49 = 88,131.02 : x
  2. Step 2: Convert to fraction form
    154,893.15/231,965.49 = 88,131.02/x
  3. Step 3: Cross multiply
    154,893.15x = 231,965.49 × 88,131.02
  4. Step 4: Simplify right side
    154,893.15x = 20,443,354,078.67
  5. Step 5: Solve for x
    x = 20,443,354,078.67/154,893.15
  6. Step 6: Final answer
    x = 131,983.59

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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.