Home / 127,324.98-175,588.03-83,640.41

Finding the Fourth Proportional to 127,324.98, 175,588.03 and 83,640.41

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Solution

The fourth proportional to 127,324.98, 175,588.03 and 83,640.41 is: 115,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,324.98 : 175,588.03 = 83,640.41 : x
  2. Step 2: Convert to fraction form
    127,324.98/175,588.03 = 83,640.41/x
  3. Step 3: Cross multiply
    127,324.98x = 175,588.03 × 83,640.41
  4. Step 4: Simplify right side
    127,324.98x = 14,686,253,942.35
  5. Step 5: Solve for x
    x = 14,686,253,942.35/127,324.98
  6. Step 6: Final answer
    x = 115,344.64

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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.