Home / 188,838.27-260,591.04-103,954.68

Finding the Fourth Proportional to 188,838.27, 260,591.04 and 103,954.68

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Solution

The fourth proportional to 188,838.27, 260,591.04 and 103,954.68 is: 143,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,838.27 : 260,591.04 = 103,954.68 : x
  2. Step 2: Convert to fraction form
    188,838.27/260,591.04 = 103,954.68/x
  3. Step 3: Cross multiply
    188,838.27x = 260,591.04 × 103,954.68
  4. Step 4: Simplify right side
    188,838.27x = 27,089,658,174.07
  5. Step 5: Solve for x
    x = 27,089,658,174.07/188,838.27
  6. Step 6: Final answer
    x = 143,454.28

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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.