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Finding the Fourth Proportional to 93,295.23, 139,964.72 and 37,138.77

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Solution

The fourth proportional to 93,295.23, 139,964.72 and 37,138.77 is: 55,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.23 : 139,964.72 = 37,138.77 : x
  2. Step 2: Convert to fraction form
    93,295.23/139,964.72 = 37,138.77/x
  3. Step 3: Cross multiply
    93,295.23x = 139,964.72 × 37,138.77
  4. Step 4: Simplify right side
    93,295.23x = 5,198,117,358.50
  5. Step 5: Solve for x
    x = 5,198,117,358.50/93,295.23
  6. Step 6: Final answer
    x = 55,716.86

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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.