Home / 130,380.76-195,664.38-55,553.32

Finding the Fourth Proportional to 130,380.76, 195,664.38 and 55,553.32

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Solution

The fourth proportional to 130,380.76, 195,664.38 and 55,553.32 is: 83,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380.76 : 195,664.38 = 55,553.32 : x
  2. Step 2: Convert to fraction form
    130,380.76/195,664.38 = 55,553.32/x
  3. Step 3: Cross multiply
    130,380.76x = 195,664.38 × 55,553.32
  4. Step 4: Simplify right side
    130,380.76x = 10,869,805,914.74
  5. Step 5: Solve for x
    x = 10,869,805,914.74/130,380.76
  6. Step 6: Final answer
    x = 83,369.71

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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.