Home / 197,723.87-272,857.57-107,077.76

Finding the Fourth Proportional to 197,723.87, 272,857.57 and 107,077.76

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Solution

The fourth proportional to 197,723.87, 272,857.57 and 107,077.76 is: 147,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,723.87 : 272,857.57 = 107,077.76 : x
  2. Step 2: Convert to fraction form
    197,723.87/272,857.57 = 107,077.76/x
  3. Step 3: Cross multiply
    197,723.87x = 272,857.57 × 107,077.76
  4. Step 4: Simplify right side
    197,723.87x = 29,216,976,785.88
  5. Step 5: Solve for x
    x = 29,216,976,785.88/197,723.87
  6. Step 6: Final answer
    x = 147,766.56

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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.