Home / 239,256.72-330,172.65-131,824.26

Finding the Fourth Proportional to 239,256.72, 330,172.65 and 131,824.26

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Solution

The fourth proportional to 239,256.72, 330,172.65 and 131,824.26 is: 181,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,256.72 : 330,172.65 = 131,824.26 : x
  2. Step 2: Convert to fraction form
    239,256.72/330,172.65 = 131,824.26/x
  3. Step 3: Cross multiply
    239,256.72x = 330,172.65 × 131,824.26
  4. Step 4: Simplify right side
    239,256.72x = 43,524,765,258.49
  5. Step 5: Solve for x
    x = 43,524,765,258.49/239,256.72
  6. Step 6: Final answer
    x = 181,916.58

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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.