Home / 145,234.20-217,851.30-134,736.60

Finding the Fourth Proportional to 145,234.20, 217,851.30 and 134,736.60

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Solution

The fourth proportional to 145,234.20, 217,851.30 and 134,736.60 is: 202,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,234.20 : 217,851.30 = 134,736.60 : x
  2. Step 2: Convert to fraction form
    145,234.20/217,851.30 = 134,736.60/x
  3. Step 3: Cross multiply
    145,234.20x = 217,851.30 × 134,736.60
  4. Step 4: Simplify right side
    145,234.20x = 29,352,543,467.58
  5. Step 5: Solve for x
    x = 29,352,543,467.58/145,234.20
  6. Step 6: Final answer
    x = 202,104.90

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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.