Home / 195,715.95-270,083.43-115,148.67

Finding the Fourth Proportional to 195,715.95, 270,083.43 and 115,148.67

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Solution

The fourth proportional to 195,715.95, 270,083.43 and 115,148.67 is: 158,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,715.95 : 270,083.43 = 115,148.67 : x
  2. Step 2: Convert to fraction form
    195,715.95/270,083.43 = 115,148.67/x
  3. Step 3: Cross multiply
    195,715.95x = 270,083.43 × 115,148.67
  4. Step 4: Simplify right side
    195,715.95x = 31,099,747,753.54
  5. Step 5: Solve for x
    x = 31,099,747,753.54/195,715.95
  6. Step 6: Final answer
    x = 158,902.47

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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.