Home / 126,934.76-190,352.92-67,738.14

Finding the Fourth Proportional to 126,934.76, 190,352.92 and 67,738.14

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Solution

The fourth proportional to 126,934.76, 190,352.92 and 67,738.14 is: 101,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,934.76 : 190,352.92 = 67,738.14 : x
  2. Step 2: Convert to fraction form
    126,934.76/190,352.92 = 67,738.14/x
  3. Step 3: Cross multiply
    126,934.76x = 190,352.92 × 67,738.14
  4. Step 4: Simplify right side
    126,934.76x = 12,894,152,744.37
  5. Step 5: Solve for x
    x = 12,894,152,744.37/126,934.76
  6. Step 6: Final answer
    x = 101,580.94

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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.