Home / 188,968.69-260,777.49-104,085.55

Finding the Fourth Proportional to 188,968.69, 260,777.49 and 104,085.55

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Solution

The fourth proportional to 188,968.69, 260,777.49 and 104,085.55 is: 143,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,968.69 : 260,777.49 = 104,085.55 : x
  2. Step 2: Convert to fraction form
    188,968.69/260,777.49 = 104,085.55/x
  3. Step 3: Cross multiply
    188,968.69x = 260,777.49 × 104,085.55
  4. Step 4: Simplify right side
    188,968.69x = 27,143,168,474.27
  5. Step 5: Solve for x
    x = 27,143,168,474.27/188,968.69
  6. Step 6: Final answer
    x = 143,638.44

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1.5x scale

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.