Home / 140,559.38-209,735.08-131,980.53

Finding the Fourth Proportional to 140,559.38, 209,735.08 and 131,980.53

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Solution

The fourth proportional to 140,559.38, 209,735.08 and 131,980.53 is: 196,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,559.38 : 209,735.08 = 131,980.53 : x
  2. Step 2: Convert to fraction form
    140,559.38/209,735.08 = 131,980.53/x
  3. Step 3: Cross multiply
    140,559.38x = 209,735.08 × 131,980.53
  4. Step 4: Simplify right side
    140,559.38x = 27,680,946,163.70
  5. Step 5: Solve for x
    x = 27,680,946,163.70/140,559.38
  6. Step 6: Final answer
    x = 196,934.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.