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Finding the Fourth Proportional to 123,045.44, 169,810.68 and 68,603.72

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Solution

The fourth proportional to 123,045.44, 169,810.68 and 68,603.72 is: 94,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.44 : 169,810.68 = 68,603.72 : x
  2. Step 2: Convert to fraction form
    123,045.44/169,810.68 = 68,603.72/x
  3. Step 3: Cross multiply
    123,045.44x = 169,810.68 × 68,603.72
  4. Step 4: Simplify right side
    123,045.44x = 11,649,644,343.73
  5. Step 5: Solve for x
    x = 11,649,644,343.73/123,045.44
  6. Step 6: Final answer
    x = 94,677.58

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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.