Home / 209,822.70-314,827.07-109,959.15

Finding the Fourth Proportional to 209,822.70, 314,827.07 and 109,959.15

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Solution

The fourth proportional to 209,822.70, 314,827.07 and 109,959.15 is: 164,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.70 : 314,827.07 = 109,959.15 : x
  2. Step 2: Convert to fraction form
    209,822.70/314,827.07 = 109,959.15/x
  3. Step 3: Cross multiply
    209,822.70x = 314,827.07 × 109,959.15
  4. Step 4: Simplify right side
    209,822.70x = 34,618,116,464.39
  5. Step 5: Solve for x
    x = 34,618,116,464.39/209,822.70
  6. Step 6: Final answer
    x = 164,987.47

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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.