Home / 127,481.88-191,244.70-38,744.36

Finding the Fourth Proportional to 127,481.88, 191,244.70 and 38,744.36

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Solution

The fourth proportional to 127,481.88, 191,244.70 and 38,744.36 is: 58,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,481.88 : 191,244.70 = 38,744.36 : x
  2. Step 2: Convert to fraction form
    127,481.88/191,244.70 = 38,744.36/x
  3. Step 3: Cross multiply
    127,481.88x = 191,244.70 × 38,744.36
  4. Step 4: Simplify right side
    127,481.88x = 7,409,653,504.89
  5. Step 5: Solve for x
    x = 7,409,653,504.89/127,481.88
  6. Step 6: Final answer
    x = 58,123.19

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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.