Home / 130,042.70-195,084.69-55,163.18

Finding the Fourth Proportional to 130,042.70, 195,084.69 and 55,163.18

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Solution

The fourth proportional to 130,042.70, 195,084.69 and 55,163.18 is: 82,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,042.70 : 195,084.69 = 55,163.18 : x
  2. Step 2: Convert to fraction form
    130,042.70/195,084.69 = 55,163.18/x
  3. Step 3: Cross multiply
    130,042.70x = 195,084.69 × 55,163.18
  4. Step 4: Simplify right side
    130,042.70x = 10,761,491,869.71
  5. Step 5: Solve for x
    x = 10,761,491,869.71/130,042.70
  6. Step 6: Final answer
    x = 82,753.53

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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.