Home / 154,234.44-231,194.10-87,533.64

Finding the Fourth Proportional to 154,234.44, 231,194.10 and 87,533.64

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Solution

The fourth proportional to 154,234.44, 231,194.10 and 87,533.64 is: 131,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.44 : 231,194.10 = 87,533.64 : x
  2. Step 2: Convert to fraction form
    154,234.44/231,194.10 = 87,533.64/x
  3. Step 3: Cross multiply
    154,234.44x = 231,194.10 × 87,533.64
  4. Step 4: Simplify right side
    154,234.44x = 20,237,261,119.52
  5. Step 5: Solve for x
    x = 20,237,261,119.52/154,234.44
  6. Step 6: Final answer
    x = 131,211.04

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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.