Home / 231,968.88-320,271.26-178,157.76

Finding the Fourth Proportional to 231,968.88, 320,271.26 and 178,157.76

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Solution

The fourth proportional to 231,968.88, 320,271.26 and 178,157.76 is: 245,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,968.88 : 320,271.26 = 178,157.76 : x
  2. Step 2: Convert to fraction form
    231,968.88/320,271.26 = 178,157.76/x
  3. Step 3: Cross multiply
    231,968.88x = 320,271.26 × 178,157.76
  4. Step 4: Simplify right side
    231,968.88x = 57,058,810,273.98
  5. Step 5: Solve for x
    x = 57,058,810,273.98/231,968.88
  6. Step 6: Final answer
    x = 245,976.14

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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.