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Finding the Fourth Proportional to 167,591.60, 231,350.95 and 99,630.57

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Solution

The fourth proportional to 167,591.60, 231,350.95 and 99,630.57 is: 137,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,591.60 : 231,350.95 = 99,630.57 : x
  2. Step 2: Convert to fraction form
    167,591.60/231,350.95 = 99,630.57/x
  3. Step 3: Cross multiply
    167,591.60x = 231,350.95 × 99,630.57
  4. Step 4: Simplify right side
    167,591.60x = 23,049,627,018.54
  5. Step 5: Solve for x
    x = 23,049,627,018.54/167,591.60
  6. Step 6: Final answer
    x = 137,534.50

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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.