Home / 231,784.26-319,825.74-135,004.04

Finding the Fourth Proportional to 231,784.26, 319,825.74 and 135,004.04

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Solution

The fourth proportional to 231,784.26, 319,825.74 and 135,004.04 is: 186,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,784.26 : 319,825.74 = 135,004.04 : x
  2. Step 2: Convert to fraction form
    231,784.26/319,825.74 = 135,004.04/x
  3. Step 3: Cross multiply
    231,784.26x = 319,825.74 × 135,004.04
  4. Step 4: Simplify right side
    231,784.26x = 43,177,767,622.28
  5. Step 5: Solve for x
    x = 43,177,767,622.28/231,784.26
  6. Step 6: Final answer
    x = 186,284.30

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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.