Home / 231,927.36-320,050.80-131,325.60

Finding the Fourth Proportional to 231,927.36, 320,050.80 and 131,325.60

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Solution

The fourth proportional to 231,927.36, 320,050.80 and 131,325.60 is: 181,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927.36 : 320,050.80 = 131,325.60 : x
  2. Step 2: Convert to fraction form
    231,927.36/320,050.80 = 131,325.60/x
  3. Step 3: Cross multiply
    231,927.36x = 320,050.80 × 131,325.60
  4. Step 4: Simplify right side
    231,927.36x = 42,030,863,340.48
  5. Step 5: Solve for x
    x = 42,030,863,340.48/231,927.36
  6. Step 6: Final answer
    x = 181,224.26

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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.