Home / 131,270.20-196,613.70-113,774.20

Finding the Fourth Proportional to 131,270.20, 196,613.70 and 113,774.20

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Solution

The fourth proportional to 131,270.20, 196,613.70 and 113,774.20 is: 170,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,270.20 : 196,613.70 = 113,774.20 : x
  2. Step 2: Convert to fraction form
    131,270.20/196,613.70 = 113,774.20/x
  3. Step 3: Cross multiply
    131,270.20x = 196,613.70 × 113,774.20
  4. Step 4: Simplify right side
    131,270.20x = 22,369,566,426.54
  5. Step 5: Solve for x
    x = 22,369,566,426.54/131,270.20
  6. Step 6: Final answer
    x = 170,408.57

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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.