Home / 213,736.28-320,678.10-95,489.24

Finding the Fourth Proportional to 213,736.28, 320,678.10 and 95,489.24

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Solution

The fourth proportional to 213,736.28, 320,678.10 and 95,489.24 is: 143,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,736.28 : 320,678.10 = 95,489.24 : x
  2. Step 2: Convert to fraction form
    213,736.28/320,678.10 = 95,489.24/x
  3. Step 3: Cross multiply
    213,736.28x = 320,678.10 × 95,489.24
  4. Step 4: Simplify right side
    213,736.28x = 30,621,308,053.64
  5. Step 5: Solve for x
    x = 30,621,308,053.64/213,736.28
  6. Step 6: Final answer
    x = 143,266.78

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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.