Home / 126,211.85-174,172.85-68,852.40

Finding the Fourth Proportional to 126,211.85, 174,172.85 and 68,852.40

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Solution

The fourth proportional to 126,211.85, 174,172.85 and 68,852.40 is: 95,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,211.85 : 174,172.85 = 68,852.40 : x
  2. Step 2: Convert to fraction form
    126,211.85/174,172.85 = 68,852.40/x
  3. Step 3: Cross multiply
    126,211.85x = 174,172.85 × 68,852.40
  4. Step 4: Simplify right side
    126,211.85x = 11,992,217,998.13
  5. Step 5: Solve for x
    x = 11,992,217,998.13/126,211.85
  6. Step 6: Final answer
    x = 95,016.58

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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.