Home / 131,651.92-197,018.61-107,682.40

Finding the Fourth Proportional to 131,651.92, 197,018.61 and 107,682.40

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Solution

The fourth proportional to 131,651.92, 197,018.61 and 107,682.40 is: 161,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,651.92 : 197,018.61 = 107,682.40 : x
  2. Step 2: Convert to fraction form
    131,651.92/197,018.61 = 107,682.40/x
  3. Step 3: Cross multiply
    131,651.92x = 197,018.61 × 107,682.40
  4. Step 4: Simplify right side
    131,651.92x = 21,215,436,769.46
  5. Step 5: Solve for x
    x = 21,215,436,769.46/131,651.92
  6. Step 6: Final answer
    x = 161,147.95

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1.5x scale

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.