Home / 197,819.30-272,990.79-116,131.56

Finding the Fourth Proportional to 197,819.30, 272,990.79 and 116,131.56

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Solution

The fourth proportional to 197,819.30, 272,990.79 and 116,131.56 is: 160,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,819.30 : 272,990.79 = 116,131.56 : x
  2. Step 2: Convert to fraction form
    197,819.30/272,990.79 = 116,131.56/x
  3. Step 3: Cross multiply
    197,819.30x = 272,990.79 × 116,131.56
  4. Step 4: Simplify right side
    197,819.30x = 31,702,846,751.39
  5. Step 5: Solve for x
    x = 31,702,846,751.39/197,819.30
  6. Step 6: Final answer
    x = 160,261.65

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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.