Home / 209,839.82-314,852.68-109,976.14

Finding the Fourth Proportional to 209,839.82, 314,852.68 and 109,976.14

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Solution

The fourth proportional to 209,839.82, 314,852.68 and 109,976.14 is: 165,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,839.82 : 314,852.68 = 109,976.14 : x
  2. Step 2: Convert to fraction form
    209,839.82/314,852.68 = 109,976.14/x
  3. Step 3: Cross multiply
    209,839.82x = 314,852.68 × 109,976.14
  4. Step 4: Simplify right side
    209,839.82x = 34,626,282,415.06
  5. Step 5: Solve for x
    x = 34,626,282,415.06/209,839.82
  6. Step 6: Final answer
    x = 165,012.92

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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.