Home / 263,592.60-395,427.30-86,107.80

Finding the Fourth Proportional to 263,592.60, 395,427.30 and 86,107.80

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Solution

The fourth proportional to 263,592.60, 395,427.30 and 86,107.80 is: 129,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,592.60 : 395,427.30 = 86,107.80 : x
  2. Step 2: Convert to fraction form
    263,592.60/395,427.30 = 86,107.80/x
  3. Step 3: Cross multiply
    263,592.60x = 395,427.30 × 86,107.80
  4. Step 4: Simplify right side
    263,592.60x = 34,049,374,862.94
  5. Step 5: Solve for x
    x = 34,049,374,862.94/263,592.60
  6. Step 6: Final answer
    x = 129,174.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.