Home / 81,998.20-123,004.14-60,084.28

Finding the Fourth Proportional to 81,998.20, 123,004.14 and 60,084.28

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Solution

The fourth proportional to 81,998.20, 123,004.14 and 60,084.28 is: 90,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,998.20 : 123,004.14 = 60,084.28 : x
  2. Step 2: Convert to fraction form
    81,998.20/123,004.14 = 60,084.28/x
  3. Step 3: Cross multiply
    81,998.20x = 123,004.14 × 60,084.28
  4. Step 4: Simplify right side
    81,998.20x = 7,390,615,188.92
  5. Step 5: Solve for x
    x = 7,390,615,188.92/81,998.20
  6. Step 6: Final answer
    x = 90,131.43

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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.