Home / 131,856.62-197,790.38-38,362.38

Finding the Fourth Proportional to 131,856.62, 197,790.38 and 38,362.38

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Solution

The fourth proportional to 131,856.62, 197,790.38 and 38,362.38 is: 57,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856.62 : 197,790.38 = 38,362.38 : x
  2. Step 2: Convert to fraction form
    131,856.62/197,790.38 = 38,362.38/x
  3. Step 3: Cross multiply
    131,856.62x = 197,790.38 × 38,362.38
  4. Step 4: Simplify right side
    131,856.62x = 7,587,709,717.90
  5. Step 5: Solve for x
    x = 7,587,709,717.90/131,856.62
  6. Step 6: Final answer
    x = 57,545.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.