Home / 189,027.57-260,857.89-104,144.63

Finding the Fourth Proportional to 189,027.57, 260,857.89 and 104,144.63

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Solution

The fourth proportional to 189,027.57, 260,857.89 and 104,144.63 is: 143,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,027.57 : 260,857.89 = 104,144.63 : x
  2. Step 2: Convert to fraction form
    189,027.57/260,857.89 = 104,144.63/x
  3. Step 3: Cross multiply
    189,027.57x = 260,857.89 × 104,144.63
  4. Step 4: Simplify right side
    189,027.57x = 27,166,949,088.78
  5. Step 5: Solve for x
    x = 27,166,949,088.78/189,027.57
  6. Step 6: Final answer
    x = 143,719.51

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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.