Home / 154,530.80-231,623.40-88,002.80

Finding the Fourth Proportional to 154,530.80, 231,623.40 and 88,002.80

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Solution

The fourth proportional to 154,530.80, 231,623.40 and 88,002.80 is: 131,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,530.80 : 231,623.40 = 88,002.80 : x
  2. Step 2: Convert to fraction form
    154,530.80/231,623.40 = 88,002.80/x
  3. Step 3: Cross multiply
    154,530.80x = 231,623.40 × 88,002.80
  4. Step 4: Simplify right side
    154,530.80x = 20,383,507,745.52
  5. Step 5: Solve for x
    x = 20,383,507,745.52/154,530.80
  6. Step 6: Final answer
    x = 131,905.79

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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.