Home / 126,021.80-173,905.02-68,661.58

Finding the Fourth Proportional to 126,021.80, 173,905.02 and 68,661.58

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Solution

The fourth proportional to 126,021.80, 173,905.02 and 68,661.58 is: 94,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.80 : 173,905.02 = 68,661.58 : x
  2. Step 2: Convert to fraction form
    126,021.80/173,905.02 = 68,661.58/x
  3. Step 3: Cross multiply
    126,021.80x = 173,905.02 × 68,661.58
  4. Step 4: Simplify right side
    126,021.80x = 11,940,593,008.37
  5. Step 5: Solve for x
    x = 11,940,593,008.37/126,021.80
  6. Step 6: Final answer
    x = 94,750.22

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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.