Home / 140,091.75-193,326.66-89,790.75

Finding the Fourth Proportional to 140,091.75, 193,326.66 and 89,790.75

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Solution

The fourth proportional to 140,091.75, 193,326.66 and 89,790.75 is: 123,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091.75 : 193,326.66 = 89,790.75 : x
  2. Step 2: Convert to fraction form
    140,091.75/193,326.66 = 89,790.75/x
  3. Step 3: Cross multiply
    140,091.75x = 193,326.66 × 89,790.75
  4. Step 4: Simplify right side
    140,091.75x = 17,358,945,796.40
  5. Step 5: Solve for x
    x = 17,358,945,796.40/140,091.75
  6. Step 6: Final answer
    x = 123,911.26

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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.