Home / 72,536.85-108,274.76-67,194.19

Finding the Fourth Proportional to 72,536.85, 108,274.76 and 67,194.19

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Solution

The fourth proportional to 72,536.85, 108,274.76 and 67,194.19 is: 100,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536.85 : 108,274.76 = 67,194.19 : x
  2. Step 2: Convert to fraction form
    72,536.85/108,274.76 = 67,194.19/x
  3. Step 3: Cross multiply
    72,536.85x = 108,274.76 × 67,194.19
  4. Step 4: Simplify right side
    72,536.85x = 7,275,434,485.68
  5. Step 5: Solve for x
    x = 7,275,434,485.68/72,536.85
  6. Step 6: Final answer
    x = 100,299.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.