Home / 189,134.46-261,015.21-104,251.32

Finding the Fourth Proportional to 189,134.46, 261,015.21 and 104,251.32

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Solution

The fourth proportional to 189,134.46, 261,015.21 and 104,251.32 is: 143,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,134.46 : 261,015.21 = 104,251.32 : x
  2. Step 2: Convert to fraction form
    189,134.46/261,015.21 = 104,251.32/x
  3. Step 3: Cross multiply
    189,134.46x = 261,015.21 × 104,251.32
  4. Step 4: Simplify right side
    189,134.46x = 27,211,180,182.58
  5. Step 5: Solve for x
    x = 27,211,180,182.58/189,134.46
  6. Step 6: Final answer
    x = 143,872.14

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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.