Home / 189,171.46-261,058.64-104,291.56

Finding the Fourth Proportional to 189,171.46, 261,058.64 and 104,291.56

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Solution

The fourth proportional to 189,171.46, 261,058.64 and 104,291.56 is: 143,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,171.46 : 261,058.64 = 104,291.56 : x
  2. Step 2: Convert to fraction form
    189,171.46/261,058.64 = 104,291.56/x
  3. Step 3: Cross multiply
    189,171.46x = 261,058.64 × 104,291.56
  4. Step 4: Simplify right side
    189,171.46x = 27,226,212,817.08
  5. Step 5: Solve for x
    x = 27,226,212,817.08/189,171.46
  6. Step 6: Final answer
    x = 143,923.47

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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.