Home / 146,396.45-202,004.76-82,711.01

Finding the Fourth Proportional to 146,396.45, 202,004.76 and 82,711.01

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Solution

The fourth proportional to 146,396.45, 202,004.76 and 82,711.01 is: 114,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,396.45 : 202,004.76 = 82,711.01 : x
  2. Step 2: Convert to fraction form
    146,396.45/202,004.76 = 82,711.01/x
  3. Step 3: Cross multiply
    146,396.45x = 202,004.76 × 82,711.01
  4. Step 4: Simplify right side
    146,396.45x = 16,708,018,229.42
  5. Step 5: Solve for x
    x = 16,708,018,229.42/146,396.45
  6. Step 6: Final answer
    x = 114,128.57

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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.