Home / 135,968.28-203,981.22-42,481.08

Finding the Fourth Proportional to 135,968.28, 203,981.22 and 42,481.08

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Solution

The fourth proportional to 135,968.28, 203,981.22 and 42,481.08 is: 63,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,968.28 : 203,981.22 = 42,481.08 : x
  2. Step 2: Convert to fraction form
    135,968.28/203,981.22 = 42,481.08/x
  3. Step 3: Cross multiply
    135,968.28x = 203,981.22 × 42,481.08
  4. Step 4: Simplify right side
    135,968.28x = 8,665,342,525.32
  5. Step 5: Solve for x
    x = 8,665,342,525.32/135,968.28
  6. Step 6: Final answer
    x = 63,730.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.