Home / 129,927.60-194,891.40-51,015.60

Finding the Fourth Proportional to 129,927.60, 194,891.40 and 51,015.60

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Solution

The fourth proportional to 129,927.60, 194,891.40 and 51,015.60 is: 76,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927.60 : 194,891.40 = 51,015.60 : x
  2. Step 2: Convert to fraction form
    129,927.60/194,891.40 = 51,015.60/x
  3. Step 3: Cross multiply
    129,927.60x = 194,891.40 × 51,015.60
  4. Step 4: Simplify right side
    129,927.60x = 9,942,501,705.84
  5. Step 5: Solve for x
    x = 9,942,501,705.84/129,927.60
  6. Step 6: Final answer
    x = 76,523.40

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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.