Home / 144,530.55-199,452.38-80,868.38

Finding the Fourth Proportional to 144,530.55, 199,452.38 and 80,868.38

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Solution

The fourth proportional to 144,530.55, 199,452.38 and 80,868.38 is: 111,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,530.55 : 199,452.38 = 80,868.38 : x
  2. Step 2: Convert to fraction form
    144,530.55/199,452.38 = 80,868.38/x
  3. Step 3: Cross multiply
    144,530.55x = 199,452.38 × 80,868.38
  4. Step 4: Simplify right side
    144,530.55x = 16,129,389,456.14
  5. Step 5: Solve for x
    x = 16,129,389,456.14/144,530.55
  6. Step 6: Final answer
    x = 111,598.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.