Home / 209,850.24-314,658.70-85,045.44

Finding the Fourth Proportional to 209,850.24, 314,658.70 and 85,045.44

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Solution

The fourth proportional to 209,850.24, 314,658.70 and 85,045.44 is: 127,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,850.24 : 314,658.70 = 85,045.44 : x
  2. Step 2: Convert to fraction form
    209,850.24/314,658.70 = 85,045.44/x
  3. Step 3: Cross multiply
    209,850.24x = 314,658.70 × 85,045.44
  4. Step 4: Simplify right side
    209,850.24x = 26,760,287,591.33
  5. Step 5: Solve for x
    x = 26,760,287,591.33/209,850.24
  6. Step 6: Final answer
    x = 127,520.88

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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.