Home / 258,006.83-356,017.19-143,269.88

Finding the Fourth Proportional to 258,006.83, 356,017.19 and 143,269.88

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Solution

The fourth proportional to 258,006.83, 356,017.19 and 143,269.88 is: 197,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,006.83 : 356,017.19 = 143,269.88 : x
  2. Step 2: Convert to fraction form
    258,006.83/356,017.19 = 143,269.88/x
  3. Step 3: Cross multiply
    258,006.83x = 356,017.19 × 143,269.88
  4. Step 4: Simplify right side
    258,006.83x = 51,006,538,667.33
  5. Step 5: Solve for x
    x = 51,006,538,667.33/258,006.83
  6. Step 6: Final answer
    x = 197,694.53

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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.