Home / 239,216-330,133.20-131,786.24

Finding the Fourth Proportional to 239,216, 330,133.20 and 131,786.24

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Solution

The fourth proportional to 239,216, 330,133.20 and 131,786.24 is: 181,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,216 : 330,133.20 = 131,786.24 : x
  2. Step 2: Convert to fraction form
    239,216/330,133.20 = 131,786.24/x
  3. Step 3: Cross multiply
    239,216x = 330,133.20 × 131,786.24
  4. Step 4: Simplify right side
    239,216x = 43,507,013,127.17
  5. Step 5: Solve for x
    x = 43,507,013,127.17/239,216
  6. Step 6: Final answer
    x = 181,873.34

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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.