Home / 189,052.22-283,661.72-100,283.96

Finding the Fourth Proportional to 189,052.22, 283,661.72 and 100,283.96

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Solution

The fourth proportional to 189,052.22, 283,661.72 and 100,283.96 is: 150,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,052.22 : 283,661.72 = 100,283.96 : x
  2. Step 2: Convert to fraction form
    189,052.22/283,661.72 = 100,283.96/x
  3. Step 3: Cross multiply
    189,052.22x = 283,661.72 × 100,283.96
  4. Step 4: Simplify right side
    189,052.22x = 28,446,718,662.28
  5. Step 5: Solve for x
    x = 28,446,718,662.28/189,052.22
  6. Step 6: Final answer
    x = 150,470.17

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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.