Home / 77,189.31-115,781.81-24,601.95

Finding the Fourth Proportional to 77,189.31, 115,781.81 and 24,601.95

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Solution

The fourth proportional to 77,189.31, 115,781.81 and 24,601.95 is: 36,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,189.31 : 115,781.81 = 24,601.95 : x
  2. Step 2: Convert to fraction form
    77,189.31/115,781.81 = 24,601.95/x
  3. Step 3: Cross multiply
    77,189.31x = 115,781.81 × 24,601.95
  4. Step 4: Simplify right side
    77,189.31x = 2,848,458,177.52
  5. Step 5: Solve for x
    x = 2,848,458,177.52/77,189.31
  6. Step 6: Final answer
    x = 36,902.24

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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.