Home / 130,381.26-195,665.13-55,553.82

Finding the Fourth Proportional to 130,381.26, 195,665.13 and 55,553.82

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Solution

The fourth proportional to 130,381.26, 195,665.13 and 55,553.82 is: 83,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,381.26 : 195,665.13 = 55,553.82 : x
  2. Step 2: Convert to fraction form
    130,381.26/195,665.13 = 55,553.82/x
  3. Step 3: Cross multiply
    130,381.26x = 195,665.13 × 55,553.82
  4. Step 4: Simplify right side
    130,381.26x = 10,869,945,412.30
  5. Step 5: Solve for x
    x = 10,869,945,412.30/130,381.26
  6. Step 6: Final answer
    x = 83,370.46

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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.