Home / 189,162.24-261,042.96-104,279.04

Finding the Fourth Proportional to 189,162.24, 261,042.96 and 104,279.04

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Solution

The fourth proportional to 189,162.24, 261,042.96 and 104,279.04 is: 143,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,162.24 : 261,042.96 = 104,279.04 : x
  2. Step 2: Convert to fraction form
    189,162.24/261,042.96 = 104,279.04/x
  3. Step 3: Cross multiply
    189,162.24x = 261,042.96 × 104,279.04
  4. Step 4: Simplify right side
    189,162.24x = 27,221,309,267.56
  5. Step 5: Solve for x
    x = 27,221,309,267.56/189,162.24
  6. Step 6: Final answer
    x = 143,904.56

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1.5x scale

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.