Home / 122,192.44-168,219.66-109,595.32

Finding the Fourth Proportional to 122,192.44, 168,219.66 and 109,595.32

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Solution

The fourth proportional to 122,192.44, 168,219.66 and 109,595.32 is: 150,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,192.44 : 168,219.66 = 109,595.32 : x
  2. Step 2: Convert to fraction form
    122,192.44/168,219.66 = 109,595.32/x
  3. Step 3: Cross multiply
    122,192.44x = 168,219.66 × 109,595.32
  4. Step 4: Simplify right side
    122,192.44x = 18,436,087,467.99
  5. Step 5: Solve for x
    x = 18,436,087,467.99/122,192.44
  6. Step 6: Final answer
    x = 150,877.48

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1.5x scale

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.