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Finding the Fourth Proportional to 123,329.67, 170,194.95 and 66,741.05

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Solution

The fourth proportional to 123,329.67, 170,194.95 and 66,741.05 is: 92,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.67 : 170,194.95 = 66,741.05 : x
  2. Step 2: Convert to fraction form
    123,329.67/170,194.95 = 66,741.05/x
  3. Step 3: Cross multiply
    123,329.67x = 170,194.95 × 66,741.05
  4. Step 4: Simplify right side
    123,329.67x = 11,358,988,816.72
  5. Step 5: Solve for x
    x = 11,358,988,816.72/123,329.67
  6. Step 6: Final answer
    x = 92,102.65

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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.