Home / 239,148.44-330,039.82-131,718.43

Finding the Fourth Proportional to 239,148.44, 330,039.82 and 131,718.43

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Solution

The fourth proportional to 239,148.44, 330,039.82 and 131,718.43 is: 181,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,148.44 : 330,039.82 = 131,718.43 : x
  2. Step 2: Convert to fraction form
    239,148.44/330,039.82 = 131,718.43/x
  3. Step 3: Cross multiply
    239,148.44x = 330,039.82 × 131,718.43
  4. Step 4: Simplify right side
    239,148.44x = 43,472,326,598.59
  5. Step 5: Solve for x
    x = 43,472,326,598.59/239,148.44
  6. Step 6: Final answer
    x = 181,779.68

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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.