Home / 150,889.64-208,226.70-82,907.35

Finding the Fourth Proportional to 150,889.64, 208,226.70 and 82,907.35

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Solution

The fourth proportional to 150,889.64, 208,226.70 and 82,907.35 is: 114,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,889.64 : 208,226.70 = 82,907.35 : x
  2. Step 2: Convert to fraction form
    150,889.64/208,226.70 = 82,907.35/x
  3. Step 3: Cross multiply
    150,889.64x = 208,226.70 × 82,907.35
  4. Step 4: Simplify right side
    150,889.64x = 17,263,523,375.68
  5. Step 5: Solve for x
    x = 17,263,523,375.68/150,889.64
  6. Step 6: Final answer
    x = 114,411.59

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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.