Home / 170,171.06-234,821.70-100,309.23

Finding the Fourth Proportional to 170,171.06, 234,821.70 and 100,309.23

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Solution

The fourth proportional to 170,171.06, 234,821.70 and 100,309.23 is: 138,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,171.06 : 234,821.70 = 100,309.23 : x
  2. Step 2: Convert to fraction form
    170,171.06/234,821.70 = 100,309.23/x
  3. Step 3: Cross multiply
    170,171.06x = 234,821.70 × 100,309.23
  4. Step 4: Simplify right side
    170,171.06x = 23,554,783,914.29
  5. Step 5: Solve for x
    x = 23,554,783,914.29/170,171.06
  6. Step 6: Final answer
    x = 138,418.28

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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.