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Finding the Fourth Proportional to 93,442.40, 140,163.60 and 92,859.20

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Solution

The fourth proportional to 93,442.40, 140,163.60 and 92,859.20 is: 139,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,442.40 : 140,163.60 = 92,859.20 : x
  2. Step 2: Convert to fraction form
    93,442.40/140,163.60 = 92,859.20/x
  3. Step 3: Cross multiply
    93,442.40x = 140,163.60 × 92,859.20
  4. Step 4: Simplify right side
    93,442.40x = 13,015,479,765.12
  5. Step 5: Solve for x
    x = 13,015,479,765.12/93,442.40
  6. Step 6: Final answer
    x = 139,288.80

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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.