Home / 189,447.76-261,436.24-104,563

Finding the Fourth Proportional to 189,447.76, 261,436.24 and 104,563

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Solution

The fourth proportional to 189,447.76, 261,436.24 and 104,563 is: 144,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.76 : 261,436.24 = 104,563 : x
  2. Step 2: Convert to fraction form
    189,447.76/261,436.24 = 104,563/x
  3. Step 3: Cross multiply
    189,447.76x = 261,436.24 × 104,563
  4. Step 4: Simplify right side
    189,447.76x = 27,336,557,563.12
  5. Step 5: Solve for x
    x = 27,336,557,563.12/189,447.76
  6. Step 6: Final answer
    x = 144,296.02

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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.