Home / 231,948.64-320,059.24-136,420.48

Finding the Fourth Proportional to 231,948.64, 320,059.24 and 136,420.48

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Solution

The fourth proportional to 231,948.64, 320,059.24 and 136,420.48 is: 188,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,948.64 : 320,059.24 = 136,420.48 : x
  2. Step 2: Convert to fraction form
    231,948.64/320,059.24 = 136,420.48/x
  3. Step 3: Cross multiply
    231,948.64x = 320,059.24 × 136,420.48
  4. Step 4: Simplify right side
    231,948.64x = 43,662,635,149.24
  5. Step 5: Solve for x
    x = 43,662,635,149.24/231,948.64
  6. Step 6: Final answer
    x = 188,242.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.