Home / 189,581.98-261,624.92-107,906.24

Finding the Fourth Proportional to 189,581.98, 261,624.92 and 107,906.24

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Solution

The fourth proportional to 189,581.98, 261,624.92 and 107,906.24 is: 148,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.98 : 261,624.92 = 107,906.24 : x
  2. Step 2: Convert to fraction form
    189,581.98/261,624.92 = 107,906.24/x
  3. Step 3: Cross multiply
    189,581.98x = 261,624.92 × 107,906.24
  4. Step 4: Simplify right side
    189,581.98x = 28,230,962,417.23
  5. Step 5: Solve for x
    x = 28,230,962,417.23/189,581.98
  6. Step 6: Final answer
    x = 148,911.63

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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.