Home / 126,141.31-174,163.94-80,935.75

Finding the Fourth Proportional to 126,141.31, 174,163.94 and 80,935.75

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Solution

The fourth proportional to 126,141.31, 174,163.94 and 80,935.75 is: 111,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.31 : 174,163.94 = 80,935.75 : x
  2. Step 2: Convert to fraction form
    126,141.31/174,163.94 = 80,935.75/x
  3. Step 3: Cross multiply
    126,141.31x = 174,163.94 × 80,935.75
  4. Step 4: Simplify right side
    126,141.31x = 14,096,089,106.86
  5. Step 5: Solve for x
    x = 14,096,089,106.86/126,141.31
  6. Step 6: Final answer
    x = 111,748.40

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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.