Home / 137,793.26-190,175.48-84,109.40

Finding the Fourth Proportional to 137,793.26, 190,175.48 and 84,109.40

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Solution

The fourth proportional to 137,793.26, 190,175.48 and 84,109.40 is: 116,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,793.26 : 190,175.48 = 84,109.40 : x
  2. Step 2: Convert to fraction form
    137,793.26/190,175.48 = 84,109.40/x
  3. Step 3: Cross multiply
    137,793.26x = 190,175.48 × 84,109.40
  4. Step 4: Simplify right side
    137,793.26x = 15,995,545,174.66
  5. Step 5: Solve for x
    x = 15,995,545,174.66/137,793.26
  6. Step 6: Final answer
    x = 116,083.65

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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.