Home / 197,693.20-272,816.76-107,049.88

Finding the Fourth Proportional to 197,693.20, 272,816.76 and 107,049.88

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Solution

The fourth proportional to 197,693.20, 272,816.76 and 107,049.88 is: 147,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,693.20 : 272,816.76 = 107,049.88 : x
  2. Step 2: Convert to fraction form
    197,693.20/272,816.76 = 107,049.88/x
  3. Step 3: Cross multiply
    197,693.20x = 272,816.76 × 107,049.88
  4. Step 4: Simplify right side
    197,693.20x = 29,205,001,419.99
  5. Step 5: Solve for x
    x = 29,205,001,419.99/197,693.20
  6. Step 6: Final answer
    x = 147,728.91

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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.