Home / 102,436.11-153,618.63-35,874.77

Finding the Fourth Proportional to 102,436.11, 153,618.63 and 35,874.77

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Solution

The fourth proportional to 102,436.11, 153,618.63 and 35,874.77 is: 53,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,436.11 : 153,618.63 = 35,874.77 : x
  2. Step 2: Convert to fraction form
    102,436.11/153,618.63 = 35,874.77/x
  3. Step 3: Cross multiply
    102,436.11x = 153,618.63 × 35,874.77
  4. Step 4: Simplify right side
    102,436.11x = 5,511,033,018.97
  5. Step 5: Solve for x
    x = 5,511,033,018.97/102,436.11
  6. Step 6: Final answer
    x = 53,799.71

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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.