Home / 146,270.16-219,239.32-67,221

Finding the Fourth Proportional to 146,270.16, 219,239.32 and 67,221

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Solution

The fourth proportional to 146,270.16, 219,239.32 and 67,221 is: 100,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,270.16 : 219,239.32 = 67,221 : x
  2. Step 2: Convert to fraction form
    146,270.16/219,239.32 = 67,221/x
  3. Step 3: Cross multiply
    146,270.16x = 219,239.32 × 67,221
  4. Step 4: Simplify right side
    146,270.16x = 14,737,486,329.72
  5. Step 5: Solve for x
    x = 14,737,486,329.72/146,270.16
  6. Step 6: Final answer
    x = 100,755.25

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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.