Home / 201,208.32-277,675.56-115,181.28

Finding the Fourth Proportional to 201,208.32, 277,675.56 and 115,181.28

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Solution

The fourth proportional to 201,208.32, 277,675.56 and 115,181.28 is: 158,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,208.32 : 277,675.56 = 115,181.28 : x
  2. Step 2: Convert to fraction form
    201,208.32/277,675.56 = 115,181.28/x
  3. Step 3: Cross multiply
    201,208.32x = 277,675.56 × 115,181.28
  4. Step 4: Simplify right side
    201,208.32x = 31,983,026,425.52
  5. Step 5: Solve for x
    x = 31,983,026,425.52/201,208.32
  6. Step 6: Final answer
    x = 158,954.79

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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.