Home / 209,824.82-314,830.28-109,961.28

Finding the Fourth Proportional to 209,824.82, 314,830.28 and 109,961.28

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Solution

The fourth proportional to 209,824.82, 314,830.28 and 109,961.28 is: 164,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824.82 : 314,830.28 = 109,961.28 : x
  2. Step 2: Convert to fraction form
    209,824.82/314,830.28 = 109,961.28/x
  3. Step 3: Cross multiply
    209,824.82x = 314,830.28 × 109,961.28
  4. Step 4: Simplify right side
    209,824.82x = 34,619,140,571.56
  5. Step 5: Solve for x
    x = 34,619,140,571.56/209,824.82
  6. Step 6: Final answer
    x = 164,990.68

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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.