Home / 189,733.30-261,846.84-108,065.01

Finding the Fourth Proportional to 189,733.30, 261,846.84 and 108,065.01

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Solution

The fourth proportional to 189,733.30, 261,846.84 and 108,065.01 is: 149,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,733.30 : 261,846.84 = 108,065.01 : x
  2. Step 2: Convert to fraction form
    189,733.30/261,846.84 = 108,065.01/x
  3. Step 3: Cross multiply
    189,733.30x = 261,846.84 × 108,065.01
  4. Step 4: Simplify right side
    189,733.30x = 28,296,481,383.07
  5. Step 5: Solve for x
    x = 28,296,481,383.07/189,733.30
  6. Step 6: Final answer
    x = 149,138.19

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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.