Home / 189,051.29-260,891.57-104,168.42

Finding the Fourth Proportional to 189,051.29, 260,891.57 and 104,168.42

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Solution

The fourth proportional to 189,051.29, 260,891.57 and 104,168.42 is: 143,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,051.29 : 260,891.57 = 104,168.42 : x
  2. Step 2: Convert to fraction form
    189,051.29/260,891.57 = 104,168.42/x
  3. Step 3: Cross multiply
    189,051.29x = 260,891.57 × 104,168.42
  4. Step 4: Simplify right side
    189,051.29x = 27,176,661,594.18
  5. Step 5: Solve for x
    x = 27,176,661,594.18/189,051.29
  6. Step 6: Final answer
    x = 143,752.85

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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.