Home / 189,469.46-284,292.81-82,839.60

Finding the Fourth Proportional to 189,469.46, 284,292.81 and 82,839.60

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Solution

The fourth proportional to 189,469.46, 284,292.81 and 82,839.60 is: 124,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,469.46 : 284,292.81 = 82,839.60 : x
  2. Step 2: Convert to fraction form
    189,469.46/284,292.81 = 82,839.60/x
  3. Step 3: Cross multiply
    189,469.46x = 284,292.81 × 82,839.60
  4. Step 4: Simplify right side
    189,469.46x = 23,550,702,663.28
  5. Step 5: Solve for x
    x = 23,550,702,663.28/189,469.46
  6. Step 6: Final answer
    x = 124,298.15

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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.