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Finding the Fourth Proportional to 93,321.44, 139,953.40 and 26,743.72

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Solution

The fourth proportional to 93,321.44, 139,953.40 and 26,743.72 is: 40,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.44 : 139,953.40 = 26,743.72 : x
  2. Step 2: Convert to fraction form
    93,321.44/139,953.40 = 26,743.72/x
  3. Step 3: Cross multiply
    93,321.44x = 139,953.40 × 26,743.72
  4. Step 4: Simplify right side
    93,321.44x = 3,742,874,542.65
  5. Step 5: Solve for x
    x = 3,742,874,542.65/93,321.44
  6. Step 6: Final answer
    x = 40,107.34

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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.