Home / 131,856.87-197,790.75-38,362.62

Finding the Fourth Proportional to 131,856.87, 197,790.75 and 38,362.62

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Solution

The fourth proportional to 131,856.87, 197,790.75 and 38,362.62 is: 57,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856.87 : 197,790.75 = 38,362.62 : x
  2. Step 2: Convert to fraction form
    131,856.87/197,790.75 = 38,362.62/x
  3. Step 3: Cross multiply
    131,856.87x = 197,790.75 × 38,362.62
  4. Step 4: Simplify right side
    131,856.87x = 7,587,771,381.77
  5. Step 5: Solve for x
    x = 7,587,771,381.77/131,856.87
  6. Step 6: Final answer
    x = 57,545.51

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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.