Home / 129,401.28-194,101.86-35,907

Finding the Fourth Proportional to 129,401.28, 194,101.86 and 35,907

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Solution

The fourth proportional to 129,401.28, 194,101.86 and 35,907 is: 53,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,401.28 : 194,101.86 = 35,907 : x
  2. Step 2: Convert to fraction form
    129,401.28/194,101.86 = 35,907/x
  3. Step 3: Cross multiply
    129,401.28x = 194,101.86 × 35,907
  4. Step 4: Simplify right side
    129,401.28x = 6,969,615,487.02
  5. Step 5: Solve for x
    x = 6,969,615,487.02/129,401.28
  6. Step 6: Final answer
    x = 53,860.48

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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.