Home / 189,063.07-260,905.78-104,180.15

Finding the Fourth Proportional to 189,063.07, 260,905.78 and 104,180.15

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Solution

The fourth proportional to 189,063.07, 260,905.78 and 104,180.15 is: 143,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063.07 : 260,905.78 = 104,180.15 : x
  2. Step 2: Convert to fraction form
    189,063.07/260,905.78 = 104,180.15/x
  3. Step 3: Cross multiply
    189,063.07x = 260,905.78 × 104,180.15
  4. Step 4: Simplify right side
    189,063.07x = 27,181,203,296.27
  5. Step 5: Solve for x
    x = 27,181,203,296.27/189,063.07
  6. Step 6: Final answer
    x = 143,767.91

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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.