Home / 149,287.96-206,013.66-84,769.24

Finding the Fourth Proportional to 149,287.96, 206,013.66 and 84,769.24

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Solution

The fourth proportional to 149,287.96, 206,013.66 and 84,769.24 is: 116,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287.96 : 206,013.66 = 84,769.24 : x
  2. Step 2: Convert to fraction form
    149,287.96/206,013.66 = 84,769.24/x
  3. Step 3: Cross multiply
    149,287.96x = 206,013.66 × 84,769.24
  4. Step 4: Simplify right side
    149,287.96x = 17,463,621,387.82
  5. Step 5: Solve for x
    x = 17,463,621,387.82/149,287.96
  6. Step 6: Final answer
    x = 116,979.44

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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.