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Finding the Fourth Proportional to 166,745.01, 249,977.34 and 135,076.54

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Solution

The fourth proportional to 166,745.01, 249,977.34 and 135,076.54 is: 202,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,745.01 : 249,977.34 = 135,076.54 : x
  2. Step 2: Convert to fraction form
    166,745.01/249,977.34 = 135,076.54/x
  3. Step 3: Cross multiply
    166,745.01x = 249,977.34 × 135,076.54
  4. Step 4: Simplify right side
    166,745.01x = 33,766,074,165.60
  5. Step 5: Solve for x
    x = 33,766,074,165.60/166,745.01
  6. Step 6: Final answer
    x = 202,501.26

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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.