Home / 189,204.72-261,093.11-107,522.32

Finding the Fourth Proportional to 189,204.72, 261,093.11 and 107,522.32

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Solution

The fourth proportional to 189,204.72, 261,093.11 and 107,522.32 is: 148,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.72 : 261,093.11 = 107,522.32 : x
  2. Step 2: Convert to fraction form
    189,204.72/261,093.11 = 107,522.32/x
  3. Step 3: Cross multiply
    189,204.72x = 261,093.11 × 107,522.32
  4. Step 4: Simplify right side
    189,204.72x = 28,073,336,923.22
  5. Step 5: Solve for x
    x = 28,073,336,923.22/189,204.72
  6. Step 6: Final answer
    x = 148,375.46

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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.