Home / 155,850.40-234,057.20-136,496.80

Finding the Fourth Proportional to 155,850.40, 234,057.20 and 136,496.80

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Solution

The fourth proportional to 155,850.40, 234,057.20 and 136,496.80 is: 204,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,850.40 : 234,057.20 = 136,496.80 : x
  2. Step 2: Convert to fraction form
    155,850.40/234,057.20 = 136,496.80/x
  3. Step 3: Cross multiply
    155,850.40x = 234,057.20 × 136,496.80
  4. Step 4: Simplify right side
    155,850.40x = 31,948,058,816.96
  5. Step 5: Solve for x
    x = 31,948,058,816.96/155,850.40
  6. Step 6: Final answer
    x = 204,991.83

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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.