Home / 222,167.36-306,590.28-121,565.36

Finding the Fourth Proportional to 222,167.36, 306,590.28 and 121,565.36

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Solution

The fourth proportional to 222,167.36, 306,590.28 and 121,565.36 is: 167,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,167.36 : 306,590.28 = 121,565.36 : x
  2. Step 2: Convert to fraction form
    222,167.36/306,590.28 = 121,565.36/x
  3. Step 3: Cross multiply
    222,167.36x = 306,590.28 × 121,565.36
  4. Step 4: Simplify right side
    222,167.36x = 37,270,757,760.70
  5. Step 5: Solve for x
    x = 37,270,757,760.70/222,167.36
  6. Step 6: Final answer
    x = 167,759.83

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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.