Home / 129,848.80-194,734.80-50,917.60

Finding the Fourth Proportional to 129,848.80, 194,734.80 and 50,917.60

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Solution

The fourth proportional to 129,848.80, 194,734.80 and 50,917.60 is: 76,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.80 : 194,734.80 = 50,917.60 : x
  2. Step 2: Convert to fraction form
    129,848.80/194,734.80 = 50,917.60/x
  3. Step 3: Cross multiply
    129,848.80x = 194,734.80 × 50,917.60
  4. Step 4: Simplify right side
    129,848.80x = 9,915,428,652.48
  5. Step 5: Solve for x
    x = 9,915,428,652.48/129,848.80
  6. Step 6: Final answer
    x = 76,361.34

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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.