Home / 239,223.97-330,127.54-131,791.51

Finding the Fourth Proportional to 239,223.97, 330,127.54 and 131,791.51

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Solution

The fourth proportional to 239,223.97, 330,127.54 and 131,791.51 is: 181,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,223.97 : 330,127.54 = 131,791.51 : x
  2. Step 2: Convert to fraction form
    239,223.97/330,127.54 = 131,791.51/x
  3. Step 3: Cross multiply
    239,223.97x = 330,127.54 × 131,791.51
  4. Step 4: Simplify right side
    239,223.97x = 43,508,006,989.19
  5. Step 5: Solve for x
    x = 43,508,006,989.19/239,223.97
  6. Step 6: Final answer
    x = 181,871.44

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1.5x scale

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.