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Finding the Fourth Proportional to 167,388.08, 231,001.08 and 91,943.60

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Solution

The fourth proportional to 167,388.08, 231,001.08 and 91,943.60 is: 126,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,388.08 : 231,001.08 = 91,943.60 : x
  2. Step 2: Convert to fraction form
    167,388.08/231,001.08 = 91,943.60/x
  3. Step 3: Cross multiply
    167,388.08x = 231,001.08 × 91,943.60
  4. Step 4: Simplify right side
    167,388.08x = 21,239,070,899.09
  5. Step 5: Solve for x
    x = 21,239,070,899.09/167,388.08
  6. Step 6: Final answer
    x = 126,885.21

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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.