Home / 126,339.22-174,343.55-68,977.49

Finding the Fourth Proportional to 126,339.22, 174,343.55 and 68,977.49

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Solution

The fourth proportional to 126,339.22, 174,343.55 and 68,977.49 is: 95,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,339.22 : 174,343.55 = 68,977.49 : x
  2. Step 2: Convert to fraction form
    126,339.22/174,343.55 = 68,977.49/x
  3. Step 3: Cross multiply
    126,339.22x = 174,343.55 × 68,977.49
  4. Step 4: Simplify right side
    126,339.22x = 12,025,780,476.69
  5. Step 5: Solve for x
    x = 12,025,780,476.69/126,339.22
  6. Step 6: Final answer
    x = 95,186.44

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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.