Home / 146,678.20-202,399.12-82,138.44

Finding the Fourth Proportional to 146,678.20, 202,399.12 and 82,138.44

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Solution

The fourth proportional to 146,678.20, 202,399.12 and 82,138.44 is: 113,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,678.20 : 202,399.12 = 82,138.44 : x
  2. Step 2: Convert to fraction form
    146,678.20/202,399.12 = 82,138.44/x
  3. Step 3: Cross multiply
    146,678.20x = 202,399.12 × 82,138.44
  4. Step 4: Simplify right side
    146,678.20x = 16,624,747,974.17
  5. Step 5: Solve for x
    x = 16,624,747,974.17/146,678.20
  6. Step 6: Final answer
    x = 113,341.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.