Home / 103,769.98-155,691.75-51,216.37

Finding the Fourth Proportional to 103,769.98, 155,691.75 and 51,216.37

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Solution

The fourth proportional to 103,769.98, 155,691.75 and 51,216.37 is: 76,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,769.98 : 155,691.75 = 51,216.37 : x
  2. Step 2: Convert to fraction form
    103,769.98/155,691.75 = 51,216.37/x
  3. Step 3: Cross multiply
    103,769.98x = 155,691.75 × 51,216.37
  4. Step 4: Simplify right side
    103,769.98x = 7,973,966,273.95
  5. Step 5: Solve for x
    x = 7,973,966,273.95/103,769.98
  6. Step 6: Final answer
    x = 76,842.71

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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.