Home / 116,786.36-161,168.38-71,463.52

Finding the Fourth Proportional to 116,786.36, 161,168.38 and 71,463.52

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Solution

The fourth proportional to 116,786.36, 161,168.38 and 71,463.52 is: 98,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,786.36 : 161,168.38 = 71,463.52 : x
  2. Step 2: Convert to fraction form
    116,786.36/161,168.38 = 71,463.52/x
  3. Step 3: Cross multiply
    116,786.36x = 161,168.38 × 71,463.52
  4. Step 4: Simplify right side
    116,786.36x = 11,517,659,265.71
  5. Step 5: Solve for x
    x = 11,517,659,265.71/116,786.36
  6. Step 6: Final answer
    x = 98,621.62

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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.