Home / 146,429.40-202,085.10-82,778.52

Finding the Fourth Proportional to 146,429.40, 202,085.10 and 82,778.52

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Solution

The fourth proportional to 146,429.40, 202,085.10 and 82,778.52 is: 114,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,429.40 : 202,085.10 = 82,778.52 : x
  2. Step 2: Convert to fraction form
    146,429.40/202,085.10 = 82,778.52/x
  3. Step 3: Cross multiply
    146,429.40x = 202,085.10 × 82,778.52
  4. Step 4: Simplify right side
    146,429.40x = 16,728,305,492.05
  5. Step 5: Solve for x
    x = 16,728,305,492.05/146,429.40
  6. Step 6: Final answer
    x = 114,241.44

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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.