Home / 209,822.73-314,827.13-109,959.18

Finding the Fourth Proportional to 209,822.73, 314,827.13 and 109,959.18

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Solution

The fourth proportional to 209,822.73, 314,827.13 and 109,959.18 is: 164,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.73 : 314,827.13 = 109,959.18 : x
  2. Step 2: Convert to fraction form
    209,822.73/314,827.13 = 109,959.18/x
  3. Step 3: Cross multiply
    209,822.73x = 314,827.13 × 109,959.18
  4. Step 4: Simplify right side
    209,822.73x = 34,618,132,919.10
  5. Step 5: Solve for x
    x = 34,618,132,919.10/209,822.73
  6. Step 6: Final answer
    x = 164,987.53

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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.