Home / 188,479.03-260,097.71-103,596.07

Finding the Fourth Proportional to 188,479.03, 260,097.71 and 103,596.07

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Solution

The fourth proportional to 188,479.03, 260,097.71 and 103,596.07 is: 142,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,479.03 : 260,097.71 = 103,596.07 : x
  2. Step 2: Convert to fraction form
    188,479.03/260,097.71 = 103,596.07/x
  3. Step 3: Cross multiply
    188,479.03x = 260,097.71 × 103,596.07
  4. Step 4: Simplify right side
    188,479.03x = 26,945,100,054.02
  5. Step 5: Solve for x
    x = 26,945,100,054.02/188,479.03
  6. Step 6: Final answer
    x = 142,960.73

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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.