Home / 141,894.73-195,816.06-78,234.82

Finding the Fourth Proportional to 141,894.73, 195,816.06 and 78,234.82

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Solution

The fourth proportional to 141,894.73, 195,816.06 and 78,234.82 is: 107,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,894.73 : 195,816.06 = 78,234.82 : x
  2. Step 2: Convert to fraction form
    141,894.73/195,816.06 = 78,234.82/x
  3. Step 3: Cross multiply
    141,894.73x = 195,816.06 × 78,234.82
  4. Step 4: Simplify right side
    141,894.73x = 15,319,634,207.21
  5. Step 5: Solve for x
    x = 15,319,634,207.21/141,894.73
  6. Step 6: Final answer
    x = 107,964.79

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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.