Home / 140,156.46-193,413.24-76,494.69

Finding the Fourth Proportional to 140,156.46, 193,413.24 and 76,494.69

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Solution

The fourth proportional to 140,156.46, 193,413.24 and 76,494.69 is: 105,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,156.46 : 193,413.24 = 76,494.69 : x
  2. Step 2: Convert to fraction form
    140,156.46/193,413.24 = 76,494.69/x
  3. Step 3: Cross multiply
    140,156.46x = 193,413.24 × 76,494.69
  4. Step 4: Simplify right side
    140,156.46x = 14,795,085,835.70
  5. Step 5: Solve for x
    x = 14,795,085,835.70/140,156.46
  6. Step 6: Final answer
    x = 105,561.21

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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.