Home / 129,181.32-193,860.54-50,295.96

Finding the Fourth Proportional to 129,181.32, 193,860.54 and 50,295.96

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Solution

The fourth proportional to 129,181.32, 193,860.54 and 50,295.96 is: 75,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,181.32 : 193,860.54 = 50,295.96 : x
  2. Step 2: Convert to fraction form
    129,181.32/193,860.54 = 50,295.96/x
  3. Step 3: Cross multiply
    129,181.32x = 193,860.54 × 50,295.96
  4. Step 4: Simplify right side
    129,181.32x = 9,750,401,965.42
  5. Step 5: Solve for x
    x = 9,750,401,965.42/129,181.32
  6. Step 6: Final answer
    x = 75,478.42

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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.