Home / 213,609.38-320,204.48-118,884.94

Finding the Fourth Proportional to 213,609.38, 320,204.48 and 118,884.94

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Solution

The fourth proportional to 213,609.38, 320,204.48 and 118,884.94 is: 178,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,609.38 : 320,204.48 = 118,884.94 : x
  2. Step 2: Convert to fraction form
    213,609.38/320,204.48 = 118,884.94/x
  3. Step 3: Cross multiply
    213,609.38x = 320,204.48 × 118,884.94
  4. Step 4: Simplify right side
    213,609.38x = 38,067,488,997.60
  5. Step 5: Solve for x
    x = 38,067,488,997.60/213,609.38
  6. Step 6: Final answer
    x = 178,210.76

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1.5x scale

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.