Home / 126,089.96-174,003.02-68,729.28

Finding the Fourth Proportional to 126,089.96, 174,003.02 and 68,729.28

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Solution

The fourth proportional to 126,089.96, 174,003.02 and 68,729.28 is: 94,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,089.96 : 174,003.02 = 68,729.28 : x
  2. Step 2: Convert to fraction form
    126,089.96/174,003.02 = 68,729.28/x
  3. Step 3: Cross multiply
    126,089.96x = 174,003.02 × 68,729.28
  4. Step 4: Simplify right side
    126,089.96x = 11,959,102,282.43
  5. Step 5: Solve for x
    x = 11,959,102,282.43/126,089.96
  6. Step 6: Final answer
    x = 94,845.79

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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.