Home / 231,476.20-319,435.62-130,874.60

Finding the Fourth Proportional to 231,476.20, 319,435.62 and 130,874.60

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Solution

The fourth proportional to 231,476.20, 319,435.62 and 130,874.60 is: 180,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,476.20 : 319,435.62 = 130,874.60 : x
  2. Step 2: Convert to fraction form
    231,476.20/319,435.62 = 130,874.60/x
  3. Step 3: Cross multiply
    231,476.20x = 319,435.62 × 130,874.60
  4. Step 4: Simplify right side
    231,476.20x = 41,806,008,993.25
  5. Step 5: Solve for x
    x = 41,806,008,993.25/231,476.20
  6. Step 6: Final answer
    x = 180,606.08

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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.