Home / 269,188.20-403,782.30-91,895.40

Finding the Fourth Proportional to 269,188.20, 403,782.30 and 91,895.40

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Solution

The fourth proportional to 269,188.20, 403,782.30 and 91,895.40 is: 137,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,188.20 : 403,782.30 = 91,895.40 : x
  2. Step 2: Convert to fraction form
    269,188.20/403,782.30 = 91,895.40/x
  3. Step 3: Cross multiply
    269,188.20x = 403,782.30 × 91,895.40
  4. Step 4: Simplify right side
    269,188.20x = 37,105,735,971.42
  5. Step 5: Solve for x
    x = 37,105,735,971.42/269,188.20
  6. Step 6: Final answer
    x = 137,843.10

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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.