Home / 189,470.62-261,471.27-104,585.86

Finding the Fourth Proportional to 189,470.62, 261,471.27 and 104,585.86

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Solution

The fourth proportional to 189,470.62, 261,471.27 and 104,585.86 is: 144,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,470.62 : 261,471.27 = 104,585.86 : x
  2. Step 2: Convert to fraction form
    189,470.62/261,471.27 = 104,585.86/x
  3. Step 3: Cross multiply
    189,470.62x = 261,471.27 × 104,585.86
  4. Step 4: Simplify right side
    189,470.62x = 27,346,197,638.24
  5. Step 5: Solve for x
    x = 27,346,197,638.24/189,470.62
  6. Step 6: Final answer
    x = 144,329.49

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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.