Home / 149,562.24-206,391-85,027.51

Finding the Fourth Proportional to 149,562.24, 206,391 and 85,027.51

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Solution

The fourth proportional to 149,562.24, 206,391 and 85,027.51 is: 117,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562.24 : 206,391 = 85,027.51 : x
  2. Step 2: Convert to fraction form
    149,562.24/206,391 = 85,027.51/x
  3. Step 3: Cross multiply
    149,562.24x = 206,391 × 85,027.51
  4. Step 4: Simplify right side
    149,562.24x = 17,548,912,816.41
  5. Step 5: Solve for x
    x = 17,548,912,816.41/149,562.24
  6. Step 6: Final answer
    x = 117,335.18

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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.