Home / 195,711.95-270,077.92-115,144.67

Finding the Fourth Proportional to 195,711.95, 270,077.92 and 115,144.67

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Solution

The fourth proportional to 195,711.95, 270,077.92 and 115,144.67 is: 158,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,711.95 : 270,077.92 = 115,144.67 : x
  2. Step 2: Convert to fraction form
    195,711.95/270,077.92 = 115,144.67/x
  3. Step 3: Cross multiply
    195,711.95x = 270,077.92 × 115,144.67
  4. Step 4: Simplify right side
    195,711.95x = 31,098,031,046.57
  5. Step 5: Solve for x
    x = 31,098,031,046.57/195,711.95
  6. Step 6: Final answer
    x = 158,896.95

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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.