Home / 189,374.82-261,336.69-104,491.95

Finding the Fourth Proportional to 189,374.82, 261,336.69 and 104,491.95

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Solution

The fourth proportional to 189,374.82, 261,336.69 and 104,491.95 is: 144,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,374.82 : 261,336.69 = 104,491.95 : x
  2. Step 2: Convert to fraction form
    189,374.82/261,336.69 = 104,491.95/x
  3. Step 3: Cross multiply
    189,374.82x = 261,336.69 × 104,491.95
  4. Step 4: Simplify right side
    189,374.82x = 27,307,580,344.65
  5. Step 5: Solve for x
    x = 27,307,580,344.65/189,374.82
  6. Step 6: Final answer
    x = 144,198.58

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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.