Home / 239,956.80-331,137.60-131,060.58

Finding the Fourth Proportional to 239,956.80, 331,137.60 and 131,060.58

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Solution

The fourth proportional to 239,956.80, 331,137.60 and 131,060.58 is: 180,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,956.80 : 331,137.60 = 131,060.58 : x
  2. Step 2: Convert to fraction form
    239,956.80/331,137.60 = 131,060.58/x
  3. Step 3: Cross multiply
    239,956.80x = 331,137.60 × 131,060.58
  4. Step 4: Simplify right side
    239,956.80x = 43,399,085,915.81
  5. Step 5: Solve for x
    x = 43,399,085,915.81/239,956.80
  6. Step 6: Final answer
    x = 180,862.08

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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.