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Finding the Fourth Proportional to 133,099.54, 183,677.69 and 72,670.70

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Solution

The fourth proportional to 133,099.54, 183,677.69 and 72,670.70 is: 100,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.54 : 183,677.69 = 72,670.70 : x
  2. Step 2: Convert to fraction form
    133,099.54/183,677.69 = 72,670.70/x
  3. Step 3: Cross multiply
    133,099.54x = 183,677.69 × 72,670.70
  4. Step 4: Simplify right side
    133,099.54x = 13,347,986,947.55
  5. Step 5: Solve for x
    x = 13,347,986,947.55/133,099.54
  6. Step 6: Final answer
    x = 100,285.75

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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.