Home / 146,179.97-201,728.37-79,111.97

Finding the Fourth Proportional to 146,179.97, 201,728.37 and 79,111.97

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Solution

The fourth proportional to 146,179.97, 201,728.37 and 79,111.97 is: 109,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.97 : 201,728.37 = 79,111.97 : x
  2. Step 2: Convert to fraction form
    146,179.97/201,728.37 = 79,111.97/x
  3. Step 3: Cross multiply
    146,179.97x = 201,728.37 × 79,111.97
  4. Step 4: Simplify right side
    146,179.97x = 15,959,128,800.10
  5. Step 5: Solve for x
    x = 15,959,128,800.10/146,179.97
  6. Step 6: Final answer
    x = 109,174.53

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1.5x scale

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.