Home / 154,530.60-231,795.90-99,234.60

Finding the Fourth Proportional to 154,530.60, 231,795.90 and 99,234.60

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Solution

The fourth proportional to 154,530.60, 231,795.90 and 99,234.60 is: 148,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,530.60 : 231,795.90 = 99,234.60 : x
  2. Step 2: Convert to fraction form
    154,530.60/231,795.90 = 99,234.60/x
  3. Step 3: Cross multiply
    154,530.60x = 231,795.90 × 99,234.60
  4. Step 4: Simplify right side
    154,530.60x = 23,002,173,418.14
  5. Step 5: Solve for x
    x = 23,002,173,418.14/154,530.60
  6. Step 6: Final answer
    x = 148,851.90

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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.