Home / 170,828.70-256,243.05-162,663.90

Finding the Fourth Proportional to 170,828.70, 256,243.05 and 162,663.90

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Solution

The fourth proportional to 170,828.70, 256,243.05 and 162,663.90 is: 243,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.70 : 256,243.05 = 162,663.90 : x
  2. Step 2: Convert to fraction form
    170,828.70/256,243.05 = 162,663.90/x
  3. Step 3: Cross multiply
    170,828.70x = 256,243.05 × 162,663.90
  4. Step 4: Simplify right side
    170,828.70x = 41,681,493,860.90
  5. Step 5: Solve for x
    x = 41,681,493,860.90/170,828.70
  6. Step 6: Final answer
    x = 243,995.85

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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.