Home / 188,937.26-260,739.71-102,899.57

Finding the Fourth Proportional to 188,937.26, 260,739.71 and 102,899.57

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Solution

The fourth proportional to 188,937.26, 260,739.71 and 102,899.57 is: 142,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,937.26 : 260,739.71 = 102,899.57 : x
  2. Step 2: Convert to fraction form
    188,937.26/260,739.71 = 102,899.57/x
  3. Step 3: Cross multiply
    188,937.26x = 260,739.71 × 102,899.57
  4. Step 4: Simplify right side
    188,937.26x = 26,830,002,608.60
  5. Step 5: Solve for x
    x = 26,830,002,608.60/188,937.26
  6. Step 6: Final answer
    x = 142,004.83

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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.