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Finding the Fourth Proportional to 103,826.82, 155,607.80 and 50,531.45

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Solution

The fourth proportional to 103,826.82, 155,607.80 and 50,531.45 is: 75,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,826.82 : 155,607.80 = 50,531.45 : x
  2. Step 2: Convert to fraction form
    103,826.82/155,607.80 = 50,531.45/x
  3. Step 3: Cross multiply
    103,826.82x = 155,607.80 × 50,531.45
  4. Step 4: Simplify right side
    103,826.82x = 7,863,087,901.67
  5. Step 5: Solve for x
    x = 7,863,087,901.67/103,826.82
  6. Step 6: Final answer
    x = 75,732.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.