Home / 258,076.30-356,133.24-143,362.36

Finding the Fourth Proportional to 258,076.30, 356,133.24 and 143,362.36

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Solution

The fourth proportional to 258,076.30, 356,133.24 and 143,362.36 is: 197,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,076.30 : 356,133.24 = 143,362.36 : x
  2. Step 2: Convert to fraction form
    258,076.30/356,133.24 = 143,362.36/x
  3. Step 3: Cross multiply
    258,076.30x = 356,133.24 × 143,362.36
  4. Step 4: Simplify right side
    258,076.30x = 51,056,101,760.85
  5. Step 5: Solve for x
    x = 51,056,101,760.85/258,076.30
  6. Step 6: Final answer
    x = 197,833.36

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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.