Home / 209,823.30-314,827.97-109,959.75

Finding the Fourth Proportional to 209,823.30, 314,827.97 and 109,959.75

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Solution

The fourth proportional to 209,823.30, 314,827.97 and 109,959.75 is: 164,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.30 : 314,827.97 = 109,959.75 : x
  2. Step 2: Convert to fraction form
    209,823.30/314,827.97 = 109,959.75/x
  3. Step 3: Cross multiply
    209,823.30x = 314,827.97 × 109,959.75
  4. Step 4: Simplify right side
    209,823.30x = 34,618,404,874.21
  5. Step 5: Solve for x
    x = 34,618,404,874.21/209,823.30
  6. Step 6: Final answer
    x = 164,988.37

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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.