Home / 189,086.82-260,945.28-104,209.35

Finding the Fourth Proportional to 189,086.82, 260,945.28 and 104,209.35

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Solution

The fourth proportional to 189,086.82, 260,945.28 and 104,209.35 is: 143,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,086.82 : 260,945.28 = 104,209.35 : x
  2. Step 2: Convert to fraction form
    189,086.82/260,945.28 = 104,209.35/x
  3. Step 3: Cross multiply
    189,086.82x = 260,945.28 × 104,209.35
  4. Step 4: Simplify right side
    189,086.82x = 27,192,938,014.37
  5. Step 5: Solve for x
    x = 27,192,938,014.37/189,086.82
  6. Step 6: Final answer
    x = 143,811.92

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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.