Home / 129,181.32-193,734.31-50,276.79

Finding the Fourth Proportional to 129,181.32, 193,734.31 and 50,276.79

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Solution

The fourth proportional to 129,181.32, 193,734.31 and 50,276.79 is: 75,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,181.32 : 193,734.31 = 50,276.79 : x
  2. Step 2: Convert to fraction form
    129,181.32/193,734.31 = 50,276.79/x
  3. Step 3: Cross multiply
    129,181.32x = 193,734.31 × 50,276.79
  4. Step 4: Simplify right side
    129,181.32x = 9,740,339,219.66
  5. Step 5: Solve for x
    x = 9,740,339,219.66/129,181.32
  6. Step 6: Final answer
    x = 75,400.52

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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.