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Finding the Fourth Proportional to 146,882.80, 220,324.20 and 139,625.20

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Solution

The fourth proportional to 146,882.80, 220,324.20 and 139,625.20 is: 209,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,882.80 : 220,324.20 = 139,625.20 : x
  2. Step 2: Convert to fraction form
    146,882.80/220,324.20 = 139,625.20/x
  3. Step 3: Cross multiply
    146,882.80x = 220,324.20 × 139,625.20
  4. Step 4: Simplify right side
    146,882.80x = 30,762,810,489.84
  5. Step 5: Solve for x
    x = 30,762,810,489.84/146,882.80
  6. Step 6: Final answer
    x = 209,437.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.