Home / 202,004.72-278,767.56-117,171.92

Finding the Fourth Proportional to 202,004.72, 278,767.56 and 117,171.92

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Solution

The fourth proportional to 202,004.72, 278,767.56 and 117,171.92 is: 161,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,004.72 : 278,767.56 = 117,171.92 : x
  2. Step 2: Convert to fraction form
    202,004.72/278,767.56 = 117,171.92/x
  3. Step 3: Cross multiply
    202,004.72x = 278,767.56 × 117,171.92
  4. Step 4: Simplify right side
    202,004.72x = 32,663,730,238.92
  5. Step 5: Solve for x
    x = 32,663,730,238.92/202,004.72
  6. Step 6: Final answer
    x = 161,697.86

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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.