Home / 149,974.55-206,936.30-88,730.34

Finding the Fourth Proportional to 149,974.55, 206,936.30 and 88,730.34

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Solution

The fourth proportional to 149,974.55, 206,936.30 and 88,730.34 is: 122,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,974.55 : 206,936.30 = 88,730.34 : x
  2. Step 2: Convert to fraction form
    149,974.55/206,936.30 = 88,730.34/x
  3. Step 3: Cross multiply
    149,974.55x = 206,936.30 × 88,730.34
  4. Step 4: Simplify right side
    149,974.55x = 18,361,528,257.34
  5. Step 5: Solve for x
    x = 18,361,528,257.34/149,974.55
  6. Step 6: Final answer
    x = 122,430.96

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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.