Home / 197,378.20-272,378.22-120,885.04

Finding the Fourth Proportional to 197,378.20, 272,378.22 and 120,885.04

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Solution

The fourth proportional to 197,378.20, 272,378.22 and 120,885.04 is: 166,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,378.20 : 272,378.22 = 120,885.04 : x
  2. Step 2: Convert to fraction form
    197,378.20/272,378.22 = 120,885.04/x
  3. Step 3: Cross multiply
    197,378.20x = 272,378.22 × 120,885.04
  4. Step 4: Simplify right side
    197,378.20x = 32,926,452,019.83
  5. Step 5: Solve for x
    x = 32,926,452,019.83/197,378.20
  6. Step 6: Final answer
    x = 166,819.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.