Home / 131,470.20-196,913.70-113,974.20

Finding the Fourth Proportional to 131,470.20, 196,913.70 and 113,974.20

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Solution

The fourth proportional to 131,470.20, 196,913.70 and 113,974.20 is: 170,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,470.20 : 196,913.70 = 113,974.20 : x
  2. Step 2: Convert to fraction form
    131,470.20/196,913.70 = 113,974.20/x
  3. Step 3: Cross multiply
    131,470.20x = 196,913.70 × 113,974.20
  4. Step 4: Simplify right side
    131,470.20x = 22,443,081,426.54
  5. Step 5: Solve for x
    x = 22,443,081,426.54/131,470.20
  6. Step 6: Final answer
    x = 170,708.51

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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.