Home / 127,579.88-191,377.66-38,839.98

Finding the Fourth Proportional to 127,579.88, 191,377.66 and 38,839.98

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Solution

The fourth proportional to 127,579.88, 191,377.66 and 38,839.98 is: 58,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579.88 : 191,377.66 = 38,839.98 : x
  2. Step 2: Convert to fraction form
    127,579.88/191,377.66 = 38,839.98/x
  3. Step 3: Cross multiply
    127,579.88x = 191,377.66 × 38,839.98
  4. Step 4: Simplify right side
    127,579.88x = 7,433,104,486.85
  5. Step 5: Solve for x
    x = 7,433,104,486.85/127,579.88
  6. Step 6: Final answer
    x = 58,262.36

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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.