Home / 131,446.65-197,339.46-112,846.21

Finding the Fourth Proportional to 131,446.65, 197,339.46 and 112,846.21

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Solution

The fourth proportional to 131,446.65, 197,339.46 and 112,846.21 is: 169,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.65 : 197,339.46 = 112,846.21 : x
  2. Step 2: Convert to fraction form
    131,446.65/197,339.46 = 112,846.21/x
  3. Step 3: Cross multiply
    131,446.65x = 197,339.46 × 112,846.21
  4. Step 4: Simplify right side
    131,446.65x = 22,269,010,144.45
  5. Step 5: Solve for x
    x = 22,269,010,144.45/131,446.65
  6. Step 6: Final answer
    x = 169,414.82

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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.