Home / 231,928.36-320,052.18-131,326.60

Finding the Fourth Proportional to 231,928.36, 320,052.18 and 131,326.60

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Solution

The fourth proportional to 231,928.36, 320,052.18 and 131,326.60 is: 181,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,928.36 : 320,052.18 = 131,326.60 : x
  2. Step 2: Convert to fraction form
    231,928.36/320,052.18 = 131,326.60/x
  3. Step 3: Cross multiply
    231,928.36x = 320,052.18 × 131,326.60
  4. Step 4: Simplify right side
    231,928.36x = 42,031,364,621.99
  5. Step 5: Solve for x
    x = 42,031,364,621.99/231,928.36
  6. Step 6: Final answer
    x = 181,225.64

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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.