Home / 131,378.20-196,775.70-113,882.20

Finding the Fourth Proportional to 131,378.20, 196,775.70 and 113,882.20

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Solution

The fourth proportional to 131,378.20, 196,775.70 and 113,882.20 is: 170,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,378.20 : 196,775.70 = 113,882.20 : x
  2. Step 2: Convert to fraction form
    131,378.20/196,775.70 = 113,882.20/x
  3. Step 3: Cross multiply
    131,378.20x = 196,775.70 × 113,882.20
  4. Step 4: Simplify right side
    131,378.20x = 22,409,249,622.54
  5. Step 5: Solve for x
    x = 22,409,249,622.54/131,378.20
  6. Step 6: Final answer
    x = 170,570.53

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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.