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Finding the Fourth Proportional to 183,155.76, 252,762.75 and 106,662.54

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Solution

The fourth proportional to 183,155.76, 252,762.75 and 106,662.54 is: 147,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,155.76 : 252,762.75 = 106,662.54 : x
  2. Step 2: Convert to fraction form
    183,155.76/252,762.75 = 106,662.54/x
  3. Step 3: Cross multiply
    183,155.76x = 252,762.75 × 106,662.54
  4. Step 4: Simplify right side
    183,155.76x = 26,960,316,932.39
  5. Step 5: Solve for x
    x = 26,960,316,932.39/183,155.76
  6. Step 6: Final answer
    x = 147,198.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.