Home / 222,260.96-306,708.36-121,639.52

Finding the Fourth Proportional to 222,260.96, 306,708.36 and 121,639.52

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Solution

The fourth proportional to 222,260.96, 306,708.36 and 121,639.52 is: 167,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,260.96 : 306,708.36 = 121,639.52 : x
  2. Step 2: Convert to fraction form
    222,260.96/306,708.36 = 121,639.52/x
  3. Step 3: Cross multiply
    222,260.96x = 306,708.36 × 121,639.52
  4. Step 4: Simplify right side
    222,260.96x = 37,307,857,690.39
  5. Step 5: Solve for x
    x = 37,307,857,690.39/222,260.96
  6. Step 6: Final answer
    x = 167,856.10

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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.