Home / 209,917.44-289,680.30-114,426

Finding the Fourth Proportional to 209,917.44, 289,680.30 and 114,426

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Solution

The fourth proportional to 209,917.44, 289,680.30 and 114,426 is: 157,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,917.44 : 289,680.30 = 114,426 : x
  2. Step 2: Convert to fraction form
    209,917.44/289,680.30 = 114,426/x
  3. Step 3: Cross multiply
    209,917.44x = 289,680.30 × 114,426
  4. Step 4: Simplify right side
    209,917.44x = 33,146,958,007.80
  5. Step 5: Solve for x
    x = 33,146,958,007.80/209,917.44
  6. Step 6: Final answer
    x = 157,904.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.