Home / 222,006.66-306,362.96-121,402.50

Finding the Fourth Proportional to 222,006.66, 306,362.96 and 121,402.50

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Solution

The fourth proportional to 222,006.66, 306,362.96 and 121,402.50 is: 167,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,006.66 : 306,362.96 = 121,402.50 : x
  2. Step 2: Convert to fraction form
    222,006.66/306,362.96 = 121,402.50/x
  3. Step 3: Cross multiply
    222,006.66x = 306,362.96 × 121,402.50
  4. Step 4: Simplify right side
    222,006.66x = 37,193,229,251.40
  5. Step 5: Solve for x
    x = 37,193,229,251.40/222,006.66
  6. Step 6: Final answer
    x = 167,532.04

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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.