Home / 231,933.36-320,059.08-131,331.60

Finding the Fourth Proportional to 231,933.36, 320,059.08 and 131,331.60

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Solution

The fourth proportional to 231,933.36, 320,059.08 and 131,331.60 is: 181,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.36 : 320,059.08 = 131,331.60 : x
  2. Step 2: Convert to fraction form
    231,933.36/320,059.08 = 131,331.60/x
  3. Step 3: Cross multiply
    231,933.36x = 320,059.08 × 131,331.60
  4. Step 4: Simplify right side
    231,933.36x = 42,033,871,070.93
  5. Step 5: Solve for x
    x = 42,033,871,070.93/231,933.36
  6. Step 6: Final answer
    x = 181,232.54

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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.