Home / 146,388.42-219,413.07-67,336.74

Finding the Fourth Proportional to 146,388.42, 219,413.07 and 67,336.74

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Solution

The fourth proportional to 146,388.42, 219,413.07 and 67,336.74 is: 100,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,388.42 : 219,413.07 = 67,336.74 : x
  2. Step 2: Convert to fraction form
    146,388.42/219,413.07 = 67,336.74/x
  3. Step 3: Cross multiply
    146,388.42x = 219,413.07 × 67,336.74
  4. Step 4: Simplify right side
    146,388.42x = 14,774,560,847.19
  5. Step 5: Solve for x
    x = 14,774,560,847.19/146,388.42
  6. Step 6: Final answer
    x = 100,927.11

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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.