Home / 146,649.04-202,392.16-82,990.96

Finding the Fourth Proportional to 146,649.04, 202,392.16 and 82,990.96

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Solution

The fourth proportional to 146,649.04, 202,392.16 and 82,990.96 is: 114,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,649.04 : 202,392.16 = 82,990.96 : x
  2. Step 2: Convert to fraction form
    146,649.04/202,392.16 = 82,990.96/x
  3. Step 3: Cross multiply
    146,649.04x = 202,392.16 × 82,990.96
  4. Step 4: Simplify right side
    146,649.04x = 16,796,719,654.87
  5. Step 5: Solve for x
    x = 16,796,719,654.87/146,649.04
  6. Step 6: Final answer
    x = 114,536.85

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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.