Home / 231,203.36-319,094.52-135,762.32

Finding the Fourth Proportional to 231,203.36, 319,094.52 and 135,762.32

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Solution

The fourth proportional to 231,203.36, 319,094.52 and 135,762.32 is: 187,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,203.36 : 319,094.52 = 135,762.32 : x
  2. Step 2: Convert to fraction form
    231,203.36/319,094.52 = 135,762.32/x
  3. Step 3: Cross multiply
    231,203.36x = 319,094.52 × 135,762.32
  4. Step 4: Simplify right side
    231,203.36x = 43,321,012,334.49
  5. Step 5: Solve for x
    x = 43,321,012,334.49/231,203.36
  6. Step 6: Final answer
    x = 187,371.90

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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.