Home / 127,450.35-191,175.84-38,704.53

Finding the Fourth Proportional to 127,450.35, 191,175.84 and 38,704.53

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Solution

The fourth proportional to 127,450.35, 191,175.84 and 38,704.53 is: 58,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,450.35 : 191,175.84 = 38,704.53 : x
  2. Step 2: Convert to fraction form
    127,450.35/191,175.84 = 38,704.53/x
  3. Step 3: Cross multiply
    127,450.35x = 191,175.84 × 38,704.53
  4. Step 4: Simplify right side
    127,450.35x = 7,399,371,034.56
  5. Step 5: Solve for x
    x = 7,399,371,034.56/127,450.35
  6. Step 6: Final answer
    x = 58,056.89

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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.