Home / 223,308.20-308,161.82-122,704.04

Finding the Fourth Proportional to 223,308.20, 308,161.82 and 122,704.04

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Solution

The fourth proportional to 223,308.20, 308,161.82 and 122,704.04 is: 169,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,308.20 : 308,161.82 = 122,704.04 : x
  2. Step 2: Convert to fraction form
    223,308.20/308,161.82 = 122,704.04/x
  3. Step 3: Cross multiply
    223,308.20x = 308,161.82 × 122,704.04
  4. Step 4: Simplify right side
    223,308.20x = 37,812,700,287.75
  5. Step 5: Solve for x
    x = 37,812,700,287.75/223,308.20
  6. Step 6: Final answer
    x = 169,329.65

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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.