Home / 149,573.18-206,446.42-85,947.89

Finding the Fourth Proportional to 149,573.18, 206,446.42 and 85,947.89

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Solution

The fourth proportional to 149,573.18, 206,446.42 and 85,947.89 is: 118,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,573.18 : 206,446.42 = 85,947.89 : x
  2. Step 2: Convert to fraction form
    149,573.18/206,446.42 = 85,947.89/x
  3. Step 3: Cross multiply
    149,573.18x = 206,446.42 × 85,947.89
  4. Step 4: Simplify right side
    149,573.18x = 17,743,633,272.26
  5. Step 5: Solve for x
    x = 17,743,633,272.26/149,573.18
  6. Step 6: Final answer
    x = 118,628.44

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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.