Home / 131,420.20-196,838.70-113,924.20

Finding the Fourth Proportional to 131,420.20, 196,838.70 and 113,924.20

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Solution

The fourth proportional to 131,420.20, 196,838.70 and 113,924.20 is: 170,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,420.20 : 196,838.70 = 113,924.20 : x
  2. Step 2: Convert to fraction form
    131,420.20/196,838.70 = 113,924.20/x
  3. Step 3: Cross multiply
    131,420.20x = 196,838.70 × 113,924.20
  4. Step 4: Simplify right side
    131,420.20x = 22,424,691,426.54
  5. Step 5: Solve for x
    x = 22,424,691,426.54/131,420.20
  6. Step 6: Final answer
    x = 170,633.52

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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.