Home / 231,268.30-319,157.75-127,904.00

Finding the Fourth Proportional to 231,268.30, 319,157.75 and 127,904.00

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Solution

The fourth proportional to 231,268.30, 319,157.75 and 127,904.00 is: 176,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,268.30 : 319,157.75 = 127,904.00 : x
  2. Step 2: Convert to fraction form
    231,268.30/319,157.75 = 127,904.00/x
  3. Step 3: Cross multiply
    231,268.30x = 319,157.75 × 127,904.00
  4. Step 4: Simplify right side
    231,268.30x = 40,821,551,579.97
  5. Step 5: Solve for x
    x = 40,821,551,579.97/231,268.30
  6. Step 6: Final answer
    x = 176,511.66

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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.