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Finding the Fourth Proportional to 183,408, 275,124.96 and 72,600

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Solution

The fourth proportional to 183,408, 275,124.96 and 72,600 is: 108,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,408 : 275,124.96 = 72,600 : x
  2. Step 2: Convert to fraction form
    183,408/275,124.96 = 72,600/x
  3. Step 3: Cross multiply
    183,408x = 275,124.96 × 72,600
  4. Step 4: Simplify right side
    183,408x = 19,974,072,096
  5. Step 5: Solve for x
    x = 19,974,072,096/183,408
  6. Step 6: Final answer
    x = 108,905.13

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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.