Home / 130,006.56-194,971.20-55,125.60

Finding the Fourth Proportional to 130,006.56, 194,971.20 and 55,125.60

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Solution

The fourth proportional to 130,006.56, 194,971.20 and 55,125.60 is: 82,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,006.56 : 194,971.20 = 55,125.60 : x
  2. Step 2: Convert to fraction form
    130,006.56/194,971.20 = 55,125.60/x
  3. Step 3: Cross multiply
    130,006.56x = 194,971.20 × 55,125.60
  4. Step 4: Simplify right side
    130,006.56x = 10,747,904,382.72
  5. Step 5: Solve for x
    x = 10,747,904,382.72/130,006.56
  6. Step 6: Final answer
    x = 82,672.02

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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.