Home / 158,920.34-238,376.82-80,013.38

Finding the Fourth Proportional to 158,920.34, 238,376.82 and 80,013.38

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Solution

The fourth proportional to 158,920.34, 238,376.82 and 80,013.38 is: 120,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,920.34 : 238,376.82 = 80,013.38 : x
  2. Step 2: Convert to fraction form
    158,920.34/238,376.82 = 80,013.38/x
  3. Step 3: Cross multiply
    158,920.34x = 238,376.82 × 80,013.38
  4. Step 4: Simplify right side
    158,920.34x = 19,073,335,081.85
  5. Step 5: Solve for x
    x = 19,073,335,081.85/158,920.34
  6. Step 6: Final answer
    x = 120,018.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.