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Finding the Fourth Proportional to 183,921.38, 275,874.42 and 64,005.80

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Solution

The fourth proportional to 183,921.38, 275,874.42 and 64,005.80 is: 96,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,921.38 : 275,874.42 = 64,005.80 : x
  2. Step 2: Convert to fraction form
    183,921.38/275,874.42 = 64,005.80/x
  3. Step 3: Cross multiply
    183,921.38x = 275,874.42 × 64,005.80
  4. Step 4: Simplify right side
    183,921.38x = 17,657,562,951.64
  5. Step 5: Solve for x
    x = 17,657,562,951.64/183,921.38
  6. Step 6: Final answer
    x = 96,006.04

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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.