Home / 149,664.92-206,542.44-85,132.46

Finding the Fourth Proportional to 149,664.92, 206,542.44 and 85,132.46

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Solution

The fourth proportional to 149,664.92, 206,542.44 and 85,132.46 is: 117,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,664.92 : 206,542.44 = 85,132.46 : x
  2. Step 2: Convert to fraction form
    149,664.92/206,542.44 = 85,132.46/x
  3. Step 3: Cross multiply
    149,664.92x = 206,542.44 × 85,132.46
  4. Step 4: Simplify right side
    149,664.92x = 17,583,466,011.60
  5. Step 5: Solve for x
    x = 17,583,466,011.60/149,664.92
  6. Step 6: Final answer
    x = 117,485.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.