Home / 189,622.62-261,665.91-104,733

Finding the Fourth Proportional to 189,622.62, 261,665.91 and 104,733

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Solution

The fourth proportional to 189,622.62, 261,665.91 and 104,733 is: 144,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,622.62 : 261,665.91 = 104,733 : x
  2. Step 2: Convert to fraction form
    189,622.62/261,665.91 = 104,733/x
  3. Step 3: Cross multiply
    189,622.62x = 261,665.91 × 104,733
  4. Step 4: Simplify right side
    189,622.62x = 27,405,055,752.03
  5. Step 5: Solve for x
    x = 27,405,055,752.03/189,622.62
  6. Step 6: Final answer
    x = 144,524.19

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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.