Home / 118,183.80-163,087.14-67,189.50

Finding the Fourth Proportional to 118,183.80, 163,087.14 and 67,189.50

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Solution

The fourth proportional to 118,183.80, 163,087.14 and 67,189.50 is: 92,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.80 : 163,087.14 = 67,189.50 : x
  2. Step 2: Convert to fraction form
    118,183.80/163,087.14 = 67,189.50/x
  3. Step 3: Cross multiply
    118,183.80x = 163,087.14 × 67,189.50
  4. Step 4: Simplify right side
    118,183.80x = 10,957,743,393.03
  5. Step 5: Solve for x
    x = 10,957,743,393.03/118,183.80
  6. Step 6: Final answer
    x = 92,717.81

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1.5x scale

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.