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Finding the Fourth Proportional to 183,957.90, 275,936.85 and 166,461.90

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Solution

The fourth proportional to 183,957.90, 275,936.85 and 166,461.90 is: 249,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,957.90 : 275,936.85 = 166,461.90 : x
  2. Step 2: Convert to fraction form
    183,957.90/275,936.85 = 166,461.90/x
  3. Step 3: Cross multiply
    183,957.90x = 275,936.85 × 166,461.90
  4. Step 4: Simplify right side
    183,957.90x = 45,932,972,331.02
  5. Step 5: Solve for x
    x = 45,932,972,331.02/183,957.90
  6. Step 6: Final answer
    x = 249,692.85

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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.