Home / 231,204.36-319,095.90-135,763.32

Finding the Fourth Proportional to 231,204.36, 319,095.90 and 135,763.32

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Solution

The fourth proportional to 231,204.36, 319,095.90 and 135,763.32 is: 187,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,204.36 : 319,095.90 = 135,763.32 : x
  2. Step 2: Convert to fraction form
    231,204.36/319,095.90 = 135,763.32/x
  3. Step 3: Cross multiply
    231,204.36x = 319,095.90 × 135,763.32
  4. Step 4: Simplify right side
    231,204.36x = 43,321,518,782.39
  5. Step 5: Solve for x
    x = 43,321,518,782.39/231,204.36
  6. Step 6: Final answer
    x = 187,373.28

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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.