Home / 331,372.50-496,755.03-129,105.06

Finding the Fourth Proportional to 331,372.50, 496,755.03 and 129,105.06

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Solution

The fourth proportional to 331,372.50, 496,755.03 and 129,105.06 is: 193,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,372.50 : 496,755.03 = 129,105.06 : x
  2. Step 2: Convert to fraction form
    331,372.50/496,755.03 = 129,105.06/x
  3. Step 3: Cross multiply
    331,372.50x = 496,755.03 × 129,105.06
  4. Step 4: Simplify right side
    331,372.50x = 64,133,587,953.45
  5. Step 5: Solve for x
    x = 64,133,587,953.45/331,372.50
  6. Step 6: Final answer
    x = 193,539.26

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1.5x scale

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.