Home / 146,487.15-202,151.30-82,825.20

Finding the Fourth Proportional to 146,487.15, 202,151.30 and 82,825.20

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Solution

The fourth proportional to 146,487.15, 202,151.30 and 82,825.20 is: 114,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,487.15 : 202,151.30 = 82,825.20 : x
  2. Step 2: Convert to fraction form
    146,487.15/202,151.30 = 82,825.20/x
  3. Step 3: Cross multiply
    146,487.15x = 202,151.30 × 82,825.20
  4. Step 4: Simplify right side
    146,487.15x = 16,743,221,438.63
  5. Step 5: Solve for x
    x = 16,743,221,438.63/146,487.15
  6. Step 6: Final answer
    x = 114,298.23

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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.