Home / 201,070.20-301,346.10-122,100.60

Finding the Fourth Proportional to 201,070.20, 301,346.10 and 122,100.60

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Solution

The fourth proportional to 201,070.20, 301,346.10 and 122,100.60 is: 182,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,070.20 : 301,346.10 = 122,100.60 : x
  2. Step 2: Convert to fraction form
    201,070.20/301,346.10 = 122,100.60/x
  3. Step 3: Cross multiply
    201,070.20x = 301,346.10 × 122,100.60
  4. Step 4: Simplify right side
    201,070.20x = 36,794,539,617.66
  5. Step 5: Solve for x
    x = 36,794,539,617.66/201,070.20
  6. Step 6: Final answer
    x = 182,993.50

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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.