Home / 189,084.82-260,942.52-104,207.35

Finding the Fourth Proportional to 189,084.82, 260,942.52 and 104,207.35

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Solution

The fourth proportional to 189,084.82, 260,942.52 and 104,207.35 is: 143,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,084.82 : 260,942.52 = 104,207.35 : x
  2. Step 2: Convert to fraction form
    189,084.82/260,942.52 = 104,207.35/x
  3. Step 3: Cross multiply
    189,084.82x = 260,942.52 × 104,207.35
  4. Step 4: Simplify right side
    189,084.82x = 27,192,128,511.52
  5. Step 5: Solve for x
    x = 27,192,128,511.52/189,084.82
  6. Step 6: Final answer
    x = 143,809.16

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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.