Home / 116,782.26-161,159.70-66,481.26

Finding the Fourth Proportional to 116,782.26, 161,159.70 and 66,481.26

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Solution

The fourth proportional to 116,782.26, 161,159.70 and 66,481.26 is: 91,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,782.26 : 161,159.70 = 66,481.26 : x
  2. Step 2: Convert to fraction form
    116,782.26/161,159.70 = 66,481.26/x
  3. Step 3: Cross multiply
    116,782.26x = 161,159.70 × 66,481.26
  4. Step 4: Simplify right side
    116,782.26x = 10,714,099,917.22
  5. Step 5: Solve for x
    x = 10,714,099,917.22/116,782.26
  6. Step 6: Final answer
    x = 91,744.24

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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.