Home / 92,242.24-138,530.40-84,833.44

Finding the Fourth Proportional to 92,242.24, 138,530.40 and 84,833.44

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Solution

The fourth proportional to 92,242.24, 138,530.40 and 84,833.44 is: 127,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,242.24 : 138,530.40 = 84,833.44 : x
  2. Step 2: Convert to fraction form
    92,242.24/138,530.40 = 84,833.44/x
  3. Step 3: Cross multiply
    92,242.24x = 138,530.40 × 84,833.44
  4. Step 4: Simplify right side
    92,242.24x = 11,752,010,376.58
  5. Step 5: Solve for x
    x = 11,752,010,376.58/92,242.24
  6. Step 6: Final answer
    x = 127,403.78

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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.