Home / 209,824.80-314,830.22-109,961.24

Finding the Fourth Proportional to 209,824.80, 314,830.22 and 109,961.24

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Solution

The fourth proportional to 209,824.80, 314,830.22 and 109,961.24 is: 164,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824.80 : 314,830.22 = 109,961.24 : x
  2. Step 2: Convert to fraction form
    209,824.80/314,830.22 = 109,961.24/x
  3. Step 3: Cross multiply
    209,824.80x = 314,830.22 × 109,961.24
  4. Step 4: Simplify right side
    209,824.80x = 34,619,121,380.67
  5. Step 5: Solve for x
    x = 34,619,121,380.67/209,824.80
  6. Step 6: Final answer
    x = 164,990.61

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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.