Home / 146,408.80-219,440.40-109,429.60

Finding the Fourth Proportional to 146,408.80, 219,440.40 and 109,429.60

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Solution

The fourth proportional to 146,408.80, 219,440.40 and 109,429.60 is: 164,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,408.80 : 219,440.40 = 109,429.60 : x
  2. Step 2: Convert to fraction form
    146,408.80/219,440.40 = 109,429.60/x
  3. Step 3: Cross multiply
    146,408.80x = 219,440.40 × 109,429.60
  4. Step 4: Simplify right side
    146,408.80x = 24,013,275,195.84
  5. Step 5: Solve for x
    x = 24,013,275,195.84/146,408.80
  6. Step 6: Final answer
    x = 164,015.24

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1.5x scale

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.