Home / 188,913.47-260,736.26-108,393.57

Finding the Fourth Proportional to 188,913.47, 260,736.26 and 108,393.57

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Solution

The fourth proportional to 188,913.47, 260,736.26 and 108,393.57 is: 149,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,913.47 : 260,736.26 = 108,393.57 : x
  2. Step 2: Convert to fraction form
    188,913.47/260,736.26 = 108,393.57/x
  3. Step 3: Cross multiply
    188,913.47x = 260,736.26 × 108,393.57
  4. Step 4: Simplify right side
    188,913.47x = 28,262,133,507.88
  5. Step 5: Solve for x
    x = 28,262,133,507.88/188,913.47
  6. Step 6: Final answer
    x = 149,603.59

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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.