Home / 126,189.27-174,138.93-68,829.03

Finding the Fourth Proportional to 126,189.27, 174,138.93 and 68,829.03

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Solution

The fourth proportional to 126,189.27, 174,138.93 and 68,829.03 is: 94,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.27 : 174,138.93 = 68,829.03 : x
  2. Step 2: Convert to fraction form
    126,189.27/174,138.93 = 68,829.03/x
  3. Step 3: Cross multiply
    126,189.27x = 174,138.93 × 68,829.03
  4. Step 4: Simplify right side
    126,189.27x = 11,985,813,637.14
  5. Step 5: Solve for x
    x = 11,985,813,637.14/126,189.27
  6. Step 6: Final answer
    x = 94,982.83

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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.