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Finding the Fourth Proportional to 134,856.60, 202,236.30 and 68,274.60

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Solution

The fourth proportional to 134,856.60, 202,236.30 and 68,274.60 is: 102,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.60 : 202,236.30 = 68,274.60 : x
  2. Step 2: Convert to fraction form
    134,856.60/202,236.30 = 68,274.60/x
  3. Step 3: Cross multiply
    134,856.60x = 202,236.30 × 68,274.60
  4. Step 4: Simplify right side
    134,856.60x = 13,807,602,487.98
  5. Step 5: Solve for x
    x = 13,807,602,487.98/134,856.60
  6. Step 6: Final answer
    x = 102,387.30

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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.