Home / 147,223.38-220,788.58-47,361.32

Finding the Fourth Proportional to 147,223.38, 220,788.58 and 47,361.32

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Solution

The fourth proportional to 147,223.38, 220,788.58 and 47,361.32 is: 71,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,223.38 : 220,788.58 = 47,361.32 : x
  2. Step 2: Convert to fraction form
    147,223.38/220,788.58 = 47,361.32/x
  3. Step 3: Cross multiply
    147,223.38x = 220,788.58 × 47,361.32
  4. Step 4: Simplify right side
    147,223.38x = 10,456,838,589.73
  5. Step 5: Solve for x
    x = 10,456,838,589.73/147,223.38
  6. Step 6: Final answer
    x = 71,027.02

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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.