Home / 167,630.37-231,005.07-138,991.60

Finding the Fourth Proportional to 167,630.37, 231,005.07 and 138,991.60

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Solution

The fourth proportional to 167,630.37, 231,005.07 and 138,991.60 is: 191,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,630.37 : 231,005.07 = 138,991.60 : x
  2. Step 2: Convert to fraction form
    167,630.37/231,005.07 = 138,991.60/x
  3. Step 3: Cross multiply
    167,630.37x = 231,005.07 × 138,991.60
  4. Step 4: Simplify right side
    167,630.37x = 32,107,764,287.41
  5. Step 5: Solve for x
    x = 32,107,764,287.41/167,630.37
  6. Step 6: Final answer
    x = 191,539.06

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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.