Home / 149,773.44-206,686.08-82,704

Finding the Fourth Proportional to 149,773.44, 206,686.08 and 82,704

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Solution

The fourth proportional to 149,773.44, 206,686.08 and 82,704 is: 114,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.44 : 206,686.08 = 82,704 : x
  2. Step 2: Convert to fraction form
    149,773.44/206,686.08 = 82,704/x
  3. Step 3: Cross multiply
    149,773.44x = 206,686.08 × 82,704
  4. Step 4: Simplify right side
    149,773.44x = 17,093,765,560.32
  5. Step 5: Solve for x
    x = 17,093,765,560.32/149,773.44
  6. Step 6: Final answer
    x = 114,130.82

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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.