Home / 129,505.13-194,285.48-73,372.13

Finding the Fourth Proportional to 129,505.13, 194,285.48 and 73,372.13

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Solution

The fourth proportional to 129,505.13, 194,285.48 and 73,372.13 is: 110,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.13 : 194,285.48 = 73,372.13 : x
  2. Step 2: Convert to fraction form
    129,505.13/194,285.48 = 73,372.13/x
  3. Step 3: Cross multiply
    129,505.13x = 194,285.48 × 73,372.13
  4. Step 4: Simplify right side
    129,505.13x = 14,255,138,157.38
  5. Step 5: Solve for x
    x = 14,255,138,157.38/129,505.13
  6. Step 6: Final answer
    x = 110,073.93

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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.