Home / 146,480.40-219,720.60-67,571.28

Finding the Fourth Proportional to 146,480.40, 219,720.60 and 67,571.28

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Solution

The fourth proportional to 146,480.40, 219,720.60 and 67,571.28 is: 101,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,480.40 : 219,720.60 = 67,571.28 : x
  2. Step 2: Convert to fraction form
    146,480.40/219,720.60 = 67,571.28/x
  3. Step 3: Cross multiply
    146,480.40x = 219,720.60 × 67,571.28
  4. Step 4: Simplify right side
    146,480.40x = 14,846,802,184.37
  5. Step 5: Solve for x
    x = 14,846,802,184.37/146,480.40
  6. Step 6: Final answer
    x = 101,356.92

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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.