Home / 150,485.45-207,672.26-82,508.63

Finding the Fourth Proportional to 150,485.45, 207,672.26 and 82,508.63

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Solution

The fourth proportional to 150,485.45, 207,672.26 and 82,508.63 is: 113,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,485.45 : 207,672.26 = 82,508.63 : x
  2. Step 2: Convert to fraction form
    150,485.45/207,672.26 = 82,508.63/x
  3. Step 3: Cross multiply
    150,485.45x = 207,672.26 × 82,508.63
  4. Step 4: Simplify right side
    150,485.45x = 17,134,752,210.70
  5. Step 5: Solve for x
    x = 17,134,752,210.70/150,485.45
  6. Step 6: Final answer
    x = 113,863.19

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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.