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Finding the Fourth Proportional to 188,122.77, 282,227.13 and 61,773.75

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Solution

The fourth proportional to 188,122.77, 282,227.13 and 61,773.75 is: 92,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.77 : 282,227.13 = 61,773.75 : x
  2. Step 2: Convert to fraction form
    188,122.77/282,227.13 = 61,773.75/x
  3. Step 3: Cross multiply
    188,122.77x = 282,227.13 × 61,773.75
  4. Step 4: Simplify right side
    188,122.77x = 17,434,228,171.84
  5. Step 5: Solve for x
    x = 17,434,228,171.84/188,122.77
  6. Step 6: Final answer
    x = 92,674.74

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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.