Home / 141,074.92-194,682.85-77,413.78

Finding the Fourth Proportional to 141,074.92, 194,682.85 and 77,413.78

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Solution

The fourth proportional to 141,074.92, 194,682.85 and 77,413.78 is: 106,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,074.92 : 194,682.85 = 77,413.78 : x
  2. Step 2: Convert to fraction form
    141,074.92/194,682.85 = 77,413.78/x
  3. Step 3: Cross multiply
    141,074.92x = 194,682.85 × 77,413.78
  4. Step 4: Simplify right side
    141,074.92x = 15,071,135,319.67
  5. Step 5: Solve for x
    x = 15,071,135,319.67/141,074.92
  6. Step 6: Final answer
    x = 106,830.72

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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.