Home / 239,640.51-330,705.06-132,210.54

Finding the Fourth Proportional to 239,640.51, 330,705.06 and 132,210.54

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Solution

The fourth proportional to 239,640.51, 330,705.06 and 132,210.54 is: 182,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,640.51 : 330,705.06 = 132,210.54 : x
  2. Step 2: Convert to fraction form
    239,640.51/330,705.06 = 132,210.54/x
  3. Step 3: Cross multiply
    239,640.51x = 330,705.06 × 132,210.54
  4. Step 4: Simplify right side
    239,640.51x = 43,722,694,563.33
  5. Step 5: Solve for x
    x = 43,722,694,563.33/239,640.51
  6. Step 6: Final answer
    x = 182,451.18

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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.