Home / 189,318.08-261,259.68-104,433.92

Finding the Fourth Proportional to 189,318.08, 261,259.68 and 104,433.92

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Solution

The fourth proportional to 189,318.08, 261,259.68 and 104,433.92 is: 144,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,318.08 : 261,259.68 = 104,433.92 : x
  2. Step 2: Convert to fraction form
    189,318.08/261,259.68 = 104,433.92/x
  3. Step 3: Cross multiply
    189,318.08x = 261,259.68 × 104,433.92
  4. Step 4: Simplify right side
    189,318.08x = 27,284,372,520.35
  5. Step 5: Solve for x
    x = 27,284,372,520.35/189,318.08
  6. Step 6: Final answer
    x = 144,119.21

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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.