Home / 151,537.08-209,122.22-83,556.60

Finding the Fourth Proportional to 151,537.08, 209,122.22 and 83,556.60

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Solution

The fourth proportional to 151,537.08, 209,122.22 and 83,556.60 is: 115,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,537.08 : 209,122.22 = 83,556.60 : x
  2. Step 2: Convert to fraction form
    151,537.08/209,122.22 = 83,556.60/x
  3. Step 3: Cross multiply
    151,537.08x = 209,122.22 × 83,556.60
  4. Step 4: Simplify right side
    151,537.08x = 17,473,541,687.65
  5. Step 5: Solve for x
    x = 17,473,541,687.65/151,537.08
  6. Step 6: Final answer
    x = 115,308.69

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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.