Home / 199,390.38-275,182.38-113,362.34

Finding the Fourth Proportional to 199,390.38, 275,182.38 and 113,362.34

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Solution

The fourth proportional to 199,390.38, 275,182.38 and 113,362.34 is: 156,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,390.38 : 275,182.38 = 113,362.34 : x
  2. Step 2: Convert to fraction form
    199,390.38/275,182.38 = 113,362.34/x
  3. Step 3: Cross multiply
    199,390.38x = 275,182.38 × 113,362.34
  4. Step 4: Simplify right side
    199,390.38x = 31,195,317,147.66
  5. Step 5: Solve for x
    x = 31,195,317,147.66/199,390.38
  6. Step 6: Final answer
    x = 156,453.47

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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.