Home / 161,030.60-222,431.46-122,556.44

Finding the Fourth Proportional to 161,030.60, 222,431.46 and 122,556.44

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Solution

The fourth proportional to 161,030.60, 222,431.46 and 122,556.44 is: 169,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,030.60 : 222,431.46 = 122,556.44 : x
  2. Step 2: Convert to fraction form
    161,030.60/222,431.46 = 122,556.44/x
  3. Step 3: Cross multiply
    161,030.60x = 222,431.46 × 122,556.44
  4. Step 4: Simplify right side
    161,030.60x = 27,260,407,881.60
  5. Step 5: Solve for x
    x = 27,260,407,881.60/161,030.60
  6. Step 6: Final answer
    x = 169,287.13

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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.