Home / 189,467.48-261,464.59-104,583.94

Finding the Fourth Proportional to 189,467.48, 261,464.59 and 104,583.94

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Solution

The fourth proportional to 189,467.48, 261,464.59 and 104,583.94 is: 144,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467.48 : 261,464.59 = 104,583.94 : x
  2. Step 2: Convert to fraction form
    189,467.48/261,464.59 = 104,583.94/x
  3. Step 3: Cross multiply
    189,467.48x = 261,464.59 × 104,583.94
  4. Step 4: Simplify right side
    189,467.48x = 27,344,996,469.75
  5. Step 5: Solve for x
    x = 27,344,996,469.75/189,467.48
  6. Step 6: Final answer
    x = 144,325.54

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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.