Home / 201,042.20-277,460.39-115,009.11

Finding the Fourth Proportional to 201,042.20, 277,460.39 and 115,009.11

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Solution

The fourth proportional to 201,042.20, 277,460.39 and 115,009.11 is: 158,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,042.20 : 277,460.39 = 115,009.11 : x
  2. Step 2: Convert to fraction form
    201,042.20/277,460.39 = 115,009.11/x
  3. Step 3: Cross multiply
    201,042.20x = 277,460.39 × 115,009.11
  4. Step 4: Simplify right side
    201,042.20x = 31,910,471,939.11
  5. Step 5: Solve for x
    x = 31,910,471,939.11/201,042.20
  6. Step 6: Final answer
    x = 158,725.25

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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.