Home / 222,250.04-306,707.14-121,650.20

Finding the Fourth Proportional to 222,250.04, 306,707.14 and 121,650.20

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Solution

The fourth proportional to 222,250.04, 306,707.14 and 121,650.20 is: 167,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,250.04 : 306,707.14 = 121,650.20 : x
  2. Step 2: Convert to fraction form
    222,250.04/306,707.14 = 121,650.20/x
  3. Step 3: Cross multiply
    222,250.04x = 306,707.14 × 121,650.20
  4. Step 4: Simplify right side
    222,250.04x = 37,310,984,922.43
  5. Step 5: Solve for x
    x = 37,310,984,922.43/222,250.04
  6. Step 6: Final answer
    x = 167,878.42

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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.