Home / 126,914-190,372.32-52,014.92

Finding the Fourth Proportional to 126,914, 190,372.32 and 52,014.92

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Solution

The fourth proportional to 126,914, 190,372.32 and 52,014.92 is: 78,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914 : 190,372.32 = 52,014.92 : x
  2. Step 2: Convert to fraction form
    126,914/190,372.32 = 52,014.92/x
  3. Step 3: Cross multiply
    126,914x = 190,372.32 × 52,014.92
  4. Step 4: Simplify right side
    126,914x = 9,902,200,995.01
  5. Step 5: Solve for x
    x = 9,902,200,995.01/126,914
  6. Step 6: Final answer
    x = 78,022.92

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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.