Home / 180,337.39-270,530.67-75,131.75

Finding the Fourth Proportional to 180,337.39, 270,530.67 and 75,131.75

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Solution

The fourth proportional to 180,337.39, 270,530.67 and 75,131.75 is: 112,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,337.39 : 270,530.67 = 75,131.75 : x
  2. Step 2: Convert to fraction form
    180,337.39/270,530.67 = 75,131.75/x
  3. Step 3: Cross multiply
    180,337.39x = 270,530.67 × 75,131.75
  4. Step 4: Simplify right side
    180,337.39x = 20,325,442,665.77
  5. Step 5: Solve for x
    x = 20,325,442,665.77/180,337.39
  6. Step 6: Final answer
    x = 112,707.87

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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.