Home / 149,679.48-206,542.98-82,607.16

Finding the Fourth Proportional to 149,679.48, 206,542.98 and 82,607.16

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Solution

The fourth proportional to 149,679.48, 206,542.98 and 82,607.16 is: 113,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.48 : 206,542.98 = 82,607.16 : x
  2. Step 2: Convert to fraction form
    149,679.48/206,542.98 = 82,607.16/x
  3. Step 3: Cross multiply
    149,679.48x = 206,542.98 × 82,607.16
  4. Step 4: Simplify right side
    149,679.48x = 17,061,928,995.74
  5. Step 5: Solve for x
    x = 17,061,928,995.74/149,679.48
  6. Step 6: Final answer
    x = 113,989.77

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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.