Home / 269,404.20-404,106.30-92,111.40

Finding the Fourth Proportional to 269,404.20, 404,106.30 and 92,111.40

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Solution

The fourth proportional to 269,404.20, 404,106.30 and 92,111.40 is: 138,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,404.20 : 404,106.30 = 92,111.40 : x
  2. Step 2: Convert to fraction form
    269,404.20/404,106.30 = 92,111.40/x
  3. Step 3: Cross multiply
    269,404.20x = 404,106.30 × 92,111.40
  4. Step 4: Simplify right side
    269,404.20x = 37,222,797,041.82
  5. Step 5: Solve for x
    x = 37,222,797,041.82/269,404.20
  6. Step 6: Final answer
    x = 138,167.10

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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.