Home / 126,460.26-189,546.39-42,200.64

Finding the Fourth Proportional to 126,460.26, 189,546.39 and 42,200.64

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Solution

The fourth proportional to 126,460.26, 189,546.39 and 42,200.64 is: 63,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,460.26 : 189,546.39 = 42,200.64 : x
  2. Step 2: Convert to fraction form
    126,460.26/189,546.39 = 42,200.64/x
  3. Step 3: Cross multiply
    126,460.26x = 189,546.39 × 42,200.64
  4. Step 4: Simplify right side
    126,460.26x = 7,998,978,967.69
  5. Step 5: Solve for x
    x = 7,998,978,967.69/126,460.26
  6. Step 6: Final answer
    x = 63,252.91

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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.