Home / 239,043.42-329,872.50-131,603.40

Finding the Fourth Proportional to 239,043.42, 329,872.50 and 131,603.40

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Solution

The fourth proportional to 239,043.42, 329,872.50 and 131,603.40 is: 181,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,043.42 : 329,872.50 = 131,603.40 : x
  2. Step 2: Convert to fraction form
    239,043.42/329,872.50 = 131,603.40/x
  3. Step 3: Cross multiply
    239,043.42x = 329,872.50 × 131,603.40
  4. Step 4: Simplify right side
    239,043.42x = 43,412,342,566.50
  5. Step 5: Solve for x
    x = 43,412,342,566.50/239,043.42
  6. Step 6: Final answer
    x = 181,608.61

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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.