Home / 152,974.92-211,120.38-88,446.90

Finding the Fourth Proportional to 152,974.92, 211,120.38 and 88,446.90

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Solution

The fourth proportional to 152,974.92, 211,120.38 and 88,446.90 is: 122,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,974.92 : 211,120.38 = 88,446.90 : x
  2. Step 2: Convert to fraction form
    152,974.92/211,120.38 = 88,446.90/x
  3. Step 3: Cross multiply
    152,974.92x = 211,120.38 × 88,446.90
  4. Step 4: Simplify right side
    152,974.92x = 18,672,943,137.82
  5. Step 5: Solve for x
    x = 18,672,943,137.82/152,974.92
  6. Step 6: Final answer
    x = 122,065.39

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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.