Home / 202,180.05-278,918.19-117,247.86

Finding the Fourth Proportional to 202,180.05, 278,918.19 and 117,247.86

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Solution

The fourth proportional to 202,180.05, 278,918.19 and 117,247.86 is: 161,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,180.05 : 278,918.19 = 117,247.86 : x
  2. Step 2: Convert to fraction form
    202,180.05/278,918.19 = 117,247.86/x
  3. Step 3: Cross multiply
    202,180.05x = 278,918.19 × 117,247.86
  4. Step 4: Simplify right side
    202,180.05x = 32,702,560,892.57
  5. Step 5: Solve for x
    x = 32,702,560,892.57/202,180.05
  6. Step 6: Final answer
    x = 161,749.69

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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.