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Finding the Fourth Proportional to 189,027.54, 260,864.01 and 104,147.64

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Solution

The fourth proportional to 189,027.54, 260,864.01 and 104,147.64 is: 143,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,027.54 : 260,864.01 = 104,147.64 : x
  2. Step 2: Convert to fraction form
    189,027.54/260,864.01 = 104,147.64/x
  3. Step 3: Cross multiply
    189,027.54x = 260,864.01 × 104,147.64
  4. Step 4: Simplify right side
    189,027.54x = 27,168,371,002.44
  5. Step 5: Solve for x
    x = 27,168,371,002.44/189,027.54
  6. Step 6: Final answer
    x = 143,727.05

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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.