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Finding the Fourth Proportional to 150,794.80, 208,100.30 and 86,270.09

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Solution

The fourth proportional to 150,794.80, 208,100.30 and 86,270.09 is: 119,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794.80 : 208,100.30 = 86,270.09 : x
  2. Step 2: Convert to fraction form
    150,794.80/208,100.30 = 86,270.09/x
  3. Step 3: Cross multiply
    150,794.80x = 208,100.30 × 86,270.09
  4. Step 4: Simplify right side
    150,794.80x = 17,952,831,610.03
  5. Step 5: Solve for x
    x = 17,952,831,610.03/150,794.80
  6. Step 6: Final answer
    x = 119,054.71

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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.