Home / 73,187.20-109,566.96-66,183.34

Finding the Fourth Proportional to 73,187.20, 109,566.96 and 66,183.34

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Solution

The fourth proportional to 73,187.20, 109,566.96 and 66,183.34 is: 99,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.20 : 109,566.96 = 66,183.34 : x
  2. Step 2: Convert to fraction form
    73,187.20/109,566.96 = 66,183.34/x
  3. Step 3: Cross multiply
    73,187.20x = 109,566.96 × 66,183.34
  4. Step 4: Simplify right side
    73,187.20x = 7,251,507,366.45
  5. Step 5: Solve for x
    x = 7,251,507,366.45/73,187.20
  6. Step 6: Final answer
    x = 99,081.63

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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.