Home / 122,578.20-183,863.64-33,837.12

Finding the Fourth Proportional to 122,578.20, 183,863.64 and 33,837.12

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Solution

The fourth proportional to 122,578.20, 183,863.64 and 33,837.12 is: 50,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,578.20 : 183,863.64 = 33,837.12 : x
  2. Step 2: Convert to fraction form
    122,578.20/183,863.64 = 33,837.12/x
  3. Step 3: Cross multiply
    122,578.20x = 183,863.64 × 33,837.12
  4. Step 4: Simplify right side
    122,578.20x = 6,221,416,050.32
  5. Step 5: Solve for x
    x = 6,221,416,050.32/122,578.20
  6. Step 6: Final answer
    x = 50,754.67

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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.