Home / 188,418.06-260,007.30-103,518.72

Finding the Fourth Proportional to 188,418.06, 260,007.30 and 103,518.72

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Solution

The fourth proportional to 188,418.06, 260,007.30 and 103,518.72 is: 142,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,418.06 : 260,007.30 = 103,518.72 : x
  2. Step 2: Convert to fraction form
    188,418.06/260,007.30 = 103,518.72/x
  3. Step 3: Cross multiply
    188,418.06x = 260,007.30 × 103,518.72
  4. Step 4: Simplify right side
    188,418.06x = 26,915,622,886.66
  5. Step 5: Solve for x
    x = 26,915,622,886.66/188,418.06
  6. Step 6: Final answer
    x = 142,850.55

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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.