Home / 93,243.20-139,916-43,993.92

Finding the Fourth Proportional to 93,243.20, 139,916 and 43,993.92

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Solution

The fourth proportional to 93,243.20, 139,916 and 43,993.92 is: 66,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,243.20 : 139,916 = 43,993.92 : x
  2. Step 2: Convert to fraction form
    93,243.20/139,916 = 43,993.92/x
  3. Step 3: Cross multiply
    93,243.20x = 139,916 × 43,993.92
  4. Step 4: Simplify right side
    93,243.20x = 6,155,453,310.72
  5. Step 5: Solve for x
    x = 6,155,453,310.72/93,243.20
  6. Step 6: Final answer
    x = 66,015.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.