Home / 146,043.37-201,545.97-82,381.15

Finding the Fourth Proportional to 146,043.37, 201,545.97 and 82,381.15

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Solution

The fourth proportional to 146,043.37, 201,545.97 and 82,381.15 is: 113,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,043.37 : 201,545.97 = 82,381.15 : x
  2. Step 2: Convert to fraction form
    146,043.37/201,545.97 = 82,381.15/x
  3. Step 3: Cross multiply
    146,043.37x = 201,545.97 × 82,381.15
  4. Step 4: Simplify right side
    146,043.37x = 16,603,588,786.47
  5. Step 5: Solve for x
    x = 16,603,588,786.47/146,043.37
  6. Step 6: Final answer
    x = 113,689.44

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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.