Home / 170,828.70-256,243.05-161,643.30

Finding the Fourth Proportional to 170,828.70, 256,243.05 and 161,643.30

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Solution

The fourth proportional to 170,828.70, 256,243.05 and 161,643.30 is: 242,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.70 : 256,243.05 = 161,643.30 : x
  2. Step 2: Convert to fraction form
    170,828.70/256,243.05 = 161,643.30/x
  3. Step 3: Cross multiply
    170,828.70x = 256,243.05 × 161,643.30
  4. Step 4: Simplify right side
    170,828.70x = 41,419,972,204.07
  5. Step 5: Solve for x
    x = 41,419,972,204.07/170,828.70
  6. Step 6: Final answer
    x = 242,464.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.