Home / 189,319.16-261,260.46-104,436.44

Finding the Fourth Proportional to 189,319.16, 261,260.46 and 104,436.44

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Solution

The fourth proportional to 189,319.16, 261,260.46 and 104,436.44 is: 144,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,319.16 : 261,260.46 = 104,436.44 : x
  2. Step 2: Convert to fraction form
    189,319.16/261,260.46 = 104,436.44/x
  3. Step 3: Cross multiply
    189,319.16x = 261,260.46 × 104,436.44
  4. Step 4: Simplify right side
    189,319.16x = 27,285,112,355.16
  5. Step 5: Solve for x
    x = 27,285,112,355.16/189,319.16
  6. Step 6: Final answer
    x = 144,122.30

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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.