Home / 276,031.32-414,063.41-107,520.36

Finding the Fourth Proportional to 276,031.32, 414,063.41 and 107,520.36

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Solution

The fourth proportional to 276,031.32, 414,063.41 and 107,520.36 is: 161,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,031.32 : 414,063.41 = 107,520.36 : x
  2. Step 2: Convert to fraction form
    276,031.32/414,063.41 = 107,520.36/x
  3. Step 3: Cross multiply
    276,031.32x = 414,063.41 × 107,520.36
  4. Step 4: Simplify right side
    276,031.32x = 44,520,246,368.43
  5. Step 5: Solve for x
    x = 44,520,246,368.43/276,031.32
  6. Step 6: Final answer
    x = 161,286.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.