Home / 189,467.36-261,464.42-104,583.81

Finding the Fourth Proportional to 189,467.36, 261,464.42 and 104,583.81

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Solution

The fourth proportional to 189,467.36, 261,464.42 and 104,583.81 is: 144,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467.36 : 261,464.42 = 104,583.81 : x
  2. Step 2: Convert to fraction form
    189,467.36/261,464.42 = 104,583.81/x
  3. Step 3: Cross multiply
    189,467.36x = 261,464.42 × 104,583.81
  4. Step 4: Simplify right side
    189,467.36x = 27,344,945,223.04
  5. Step 5: Solve for x
    x = 27,344,945,223.04/189,467.36
  6. Step 6: Final answer
    x = 144,325.36

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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.