Home / 222,241.13-306,694.91-121,641.29

Finding the Fourth Proportional to 222,241.13, 306,694.91 and 121,641.29

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Solution

The fourth proportional to 222,241.13, 306,694.91 and 121,641.29 is: 167,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,241.13 : 306,694.91 = 121,641.29 : x
  2. Step 2: Convert to fraction form
    222,241.13/306,694.91 = 121,641.29/x
  3. Step 3: Cross multiply
    222,241.13x = 306,694.91 × 121,641.29
  4. Step 4: Simplify right side
    222,241.13x = 37,306,763,259.46
  5. Step 5: Solve for x
    x = 37,306,763,259.46/222,241.13
  6. Step 6: Final answer
    x = 167,866.16

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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.