Home / 116,727.53-161,090.01-71,391.29

Finding the Fourth Proportional to 116,727.53, 161,090.01 and 71,391.29

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Solution

The fourth proportional to 116,727.53, 161,090.01 and 71,391.29 is: 98,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,727.53 : 161,090.01 = 71,391.29 : x
  2. Step 2: Convert to fraction form
    116,727.53/161,090.01 = 71,391.29/x
  3. Step 3: Cross multiply
    116,727.53x = 161,090.01 × 71,391.29
  4. Step 4: Simplify right side
    116,727.53x = 11,500,422,814.56
  5. Step 5: Solve for x
    x = 11,500,422,814.56/116,727.53
  6. Step 6: Final answer
    x = 98,523.66

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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.