Home / 126,884.67-190,277.79-67,688.04

Finding the Fourth Proportional to 126,884.67, 190,277.79 and 67,688.04

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Solution

The fourth proportional to 126,884.67, 190,277.79 and 67,688.04 is: 101,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,884.67 : 190,277.79 = 67,688.04 : x
  2. Step 2: Convert to fraction form
    126,884.67/190,277.79 = 67,688.04/x
  3. Step 3: Cross multiply
    126,884.67x = 190,277.79 × 67,688.04
  4. Step 4: Simplify right side
    126,884.67x = 12,879,530,660.63
  5. Step 5: Solve for x
    x = 12,879,530,660.63/126,884.67
  6. Step 6: Final answer
    x = 101,505.81

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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.