Home / 146,939.85-220,408.83-70,949.70

Finding the Fourth Proportional to 146,939.85, 220,408.83 and 70,949.70

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Solution

The fourth proportional to 146,939.85, 220,408.83 and 70,949.70 is: 106,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939.85 : 220,408.83 = 70,949.70 : x
  2. Step 2: Convert to fraction form
    146,939.85/220,408.83 = 70,949.70/x
  3. Step 3: Cross multiply
    146,939.85x = 220,408.83 × 70,949.70
  4. Step 4: Simplify right side
    146,939.85x = 15,637,940,365.85
  5. Step 5: Solve for x
    x = 15,637,940,365.85/146,939.85
  6. Step 6: Final answer
    x = 106,424.09

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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.