Home / 126,099.82-189,142.44-46,191.70

Finding the Fourth Proportional to 126,099.82, 189,142.44 and 46,191.70

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Solution

The fourth proportional to 126,099.82, 189,142.44 and 46,191.70 is: 69,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,099.82 : 189,142.44 = 46,191.70 : x
  2. Step 2: Convert to fraction form
    126,099.82/189,142.44 = 46,191.70/x
  3. Step 3: Cross multiply
    126,099.82x = 189,142.44 × 46,191.70
  4. Step 4: Simplify right side
    126,099.82x = 8,736,810,845.75
  5. Step 5: Solve for x
    x = 8,736,810,845.75/126,099.82
  6. Step 6: Final answer
    x = 69,284.88

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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.