Home / 146,353.32-201,986.10-82,689.75

Finding the Fourth Proportional to 146,353.32, 201,986.10 and 82,689.75

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Solution

The fourth proportional to 146,353.32, 201,986.10 and 82,689.75 is: 114,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,353.32 : 201,986.10 = 82,689.75 : x
  2. Step 2: Convert to fraction form
    146,353.32/201,986.10 = 82,689.75/x
  3. Step 3: Cross multiply
    146,353.32x = 201,986.10 × 82,689.75
  4. Step 4: Simplify right side
    146,353.32x = 16,702,180,112.48
  5. Step 5: Solve for x
    x = 16,702,180,112.48/146,353.32
  6. Step 6: Final answer
    x = 114,122.32

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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.