Home / 127,128.36-190,701.66-33,633

Finding the Fourth Proportional to 127,128.36, 190,701.66 and 33,633

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Solution

The fourth proportional to 127,128.36, 190,701.66 and 33,633 is: 50,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,128.36 : 190,701.66 = 33,633 : x
  2. Step 2: Convert to fraction form
    127,128.36/190,701.66 = 33,633/x
  3. Step 3: Cross multiply
    127,128.36x = 190,701.66 × 33,633
  4. Step 4: Simplify right side
    127,128.36x = 6,413,868,930.78
  5. Step 5: Solve for x
    x = 6,413,868,930.78/127,128.36
  6. Step 6: Final answer
    x = 50,451.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.