Home / 166,236.20-249,968.70-139,202.60

Finding the Fourth Proportional to 166,236.20, 249,968.70 and 139,202.60

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Solution

The fourth proportional to 166,236.20, 249,968.70 and 139,202.60 is: 209,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,236.20 : 249,968.70 = 139,202.60 : x
  2. Step 2: Convert to fraction form
    166,236.20/249,968.70 = 139,202.60/x
  3. Step 3: Cross multiply
    166,236.20x = 249,968.70 × 139,202.60
  4. Step 4: Simplify right side
    166,236.20x = 34,796,292,958.62
  5. Step 5: Solve for x
    x = 34,796,292,958.62/166,236.20
  6. Step 6: Final answer
    x = 209,318.39

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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.