Home / 149,440.33-206,240.00-85,790.41

Finding the Fourth Proportional to 149,440.33, 206,240.00 and 85,790.41

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Solution

The fourth proportional to 149,440.33, 206,240.00 and 85,790.41 is: 118,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,440.33 : 206,240.00 = 85,790.41 : x
  2. Step 2: Convert to fraction form
    149,440.33/206,240.00 = 85,790.41/x
  3. Step 3: Cross multiply
    149,440.33x = 206,240.00 × 85,790.41
  4. Step 4: Simplify right side
    149,440.33x = 17,693,413,729.45
  5. Step 5: Solve for x
    x = 17,693,413,729.45/149,440.33
  6. Step 6: Final answer
    x = 118,397.85

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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.