Home / 146,522.19-202,189.80-81,982.86

Finding the Fourth Proportional to 146,522.19, 202,189.80 and 81,982.86

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Solution

The fourth proportional to 146,522.19, 202,189.80 and 81,982.86 is: 113,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,522.19 : 202,189.80 = 81,982.86 : x
  2. Step 2: Convert to fraction form
    146,522.19/202,189.80 = 81,982.86/x
  3. Step 3: Cross multiply
    146,522.19x = 202,189.80 × 81,982.86
  4. Step 4: Simplify right side
    146,522.19x = 16,576,098,066.83
  5. Step 5: Solve for x
    x = 16,576,098,066.83/146,522.19
  6. Step 6: Final answer
    x = 113,130.29

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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.