Home / 131,066.20-196,307.70-107,738.20

Finding the Fourth Proportional to 131,066.20, 196,307.70 and 107,738.20

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Solution

The fourth proportional to 131,066.20, 196,307.70 and 107,738.20 is: 161,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,066.20 : 196,307.70 = 107,738.20 : x
  2. Step 2: Convert to fraction form
    131,066.20/196,307.70 = 107,738.20/x
  3. Step 3: Cross multiply
    131,066.20x = 196,307.70 × 107,738.20
  4. Step 4: Simplify right side
    131,066.20x = 21,149,838,244.14
  5. Step 5: Solve for x
    x = 21,149,838,244.14/131,066.20
  6. Step 6: Final answer
    x = 161,367.60

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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.