Home / 345,181.32-517,794.36-108,533.16

Finding the Fourth Proportional to 345,181.32, 517,794.36 and 108,533.16

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Solution

The fourth proportional to 345,181.32, 517,794.36 and 108,533.16 is: 162,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,181.32 : 517,794.36 = 108,533.16 : x
  2. Step 2: Convert to fraction form
    345,181.32/517,794.36 = 108,533.16/x
  3. Step 3: Cross multiply
    345,181.32x = 517,794.36 × 108,533.16
  4. Step 4: Simplify right side
    345,181.32x = 56,197,858,120.98
  5. Step 5: Solve for x
    x = 56,197,858,120.98/345,181.32
  6. Step 6: Final answer
    x = 162,806.78

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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.