Home / 131,278.08-196,838.16-55,285.92

Finding the Fourth Proportional to 131,278.08, 196,838.16 and 55,285.92

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Solution

The fourth proportional to 131,278.08, 196,838.16 and 55,285.92 is: 82,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,278.08 : 196,838.16 = 55,285.92 : x
  2. Step 2: Convert to fraction form
    131,278.08/196,838.16 = 55,285.92/x
  3. Step 3: Cross multiply
    131,278.08x = 196,838.16 × 55,285.92
  4. Step 4: Simplify right side
    131,278.08x = 10,882,378,766.71
  5. Step 5: Solve for x
    x = 10,882,378,766.71/131,278.08
  6. Step 6: Final answer
    x = 82,895.63

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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.