Home / 209,823.20-314,827.82-109,959.65

Finding the Fourth Proportional to 209,823.20, 314,827.82 and 109,959.65

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Solution

The fourth proportional to 209,823.20, 314,827.82 and 109,959.65 is: 164,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.20 : 314,827.82 = 109,959.65 : x
  2. Step 2: Convert to fraction form
    209,823.20/314,827.82 = 109,959.65/x
  3. Step 3: Cross multiply
    209,823.20x = 314,827.82 × 109,959.65
  4. Step 4: Simplify right side
    209,823.20x = 34,618,356,347.66
  5. Step 5: Solve for x
    x = 34,618,356,347.66/209,823.20
  6. Step 6: Final answer
    x = 164,988.22

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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.