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Finding the Fourth Proportional to 103,672.45, 155,217.07 and 93,174.85

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Solution

The fourth proportional to 103,672.45, 155,217.07 and 93,174.85 is: 139,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.45 : 155,217.07 = 93,174.85 : x
  2. Step 2: Convert to fraction form
    103,672.45/155,217.07 = 93,174.85/x
  3. Step 3: Cross multiply
    103,672.45x = 155,217.07 × 93,174.85
  4. Step 4: Simplify right side
    103,672.45x = 14,462,327,214.69
  5. Step 5: Solve for x
    x = 14,462,327,214.69/103,672.45
  6. Step 6: Final answer
    x = 139,500.20

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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.