Home / 90,556.26-135,580.05-73,588.38

Finding the Fourth Proportional to 90,556.26, 135,580.05 and 73,588.38

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Solution

The fourth proportional to 90,556.26, 135,580.05 and 73,588.38 is: 110,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,556.26 : 135,580.05 = 73,588.38 : x
  2. Step 2: Convert to fraction form
    90,556.26/135,580.05 = 73,588.38/x
  3. Step 3: Cross multiply
    90,556.26x = 135,580.05 × 73,588.38
  4. Step 4: Simplify right side
    90,556.26x = 9,977,116,239.82
  5. Step 5: Solve for x
    x = 9,977,116,239.82/90,556.26
  6. Step 6: Final answer
    x = 110,175.89

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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.