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Finding the Fourth Proportional to 123,427.44, 170,329.68 and 66,839.04

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Solution

The fourth proportional to 123,427.44, 170,329.68 and 66,839.04 is: 92,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.44 : 170,329.68 = 66,839.04 : x
  2. Step 2: Convert to fraction form
    123,427.44/170,329.68 = 66,839.04/x
  3. Step 3: Cross multiply
    123,427.44x = 170,329.68 × 66,839.04
  4. Step 4: Simplify right side
    123,427.44x = 11,384,672,294.71
  5. Step 5: Solve for x
    x = 11,384,672,294.71/123,427.44
  6. Step 6: Final answer
    x = 92,237.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.