Home / 129,968.20-194,660.70-127,052.20

Finding the Fourth Proportional to 129,968.20, 194,660.70 and 127,052.20

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Solution

The fourth proportional to 129,968.20, 194,660.70 and 127,052.20 is: 190,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.20 : 194,660.70 = 127,052.20 : x
  2. Step 2: Convert to fraction form
    129,968.20/194,660.70 = 127,052.20/x
  3. Step 3: Cross multiply
    129,968.20x = 194,660.70 × 127,052.20
  4. Step 4: Simplify right side
    129,968.20x = 24,732,070,188.54
  5. Step 5: Solve for x
    x = 24,732,070,188.54/129,968.20
  6. Step 6: Final answer
    x = 190,293.24

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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.