Home / 166,845.60-249,972.48-138,600

Finding the Fourth Proportional to 166,845.60, 249,972.48 and 138,600

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Solution

The fourth proportional to 166,845.60, 249,972.48 and 138,600 is: 207,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,845.60 : 249,972.48 = 138,600 : x
  2. Step 2: Convert to fraction form
    166,845.60/249,972.48 = 138,600/x
  3. Step 3: Cross multiply
    166,845.60x = 249,972.48 × 138,600
  4. Step 4: Simplify right side
    166,845.60x = 34,646,185,728
  5. Step 5: Solve for x
    x = 34,646,185,728/166,845.60
  6. Step 6: Final answer
    x = 207,654.18

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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.