Home / 190,121.67-262,396.04-109,533.87

Finding the Fourth Proportional to 190,121.67, 262,396.04 and 109,533.87

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Solution

The fourth proportional to 190,121.67, 262,396.04 and 109,533.87 is: 151,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,121.67 : 262,396.04 = 109,533.87 : x
  2. Step 2: Convert to fraction form
    190,121.67/262,396.04 = 109,533.87/x
  3. Step 3: Cross multiply
    190,121.67x = 262,396.04 × 109,533.87
  4. Step 4: Simplify right side
    190,121.67x = 28,741,253,186.21
  5. Step 5: Solve for x
    x = 28,741,253,186.21/190,121.67
  6. Step 6: Final answer
    x = 151,172.95

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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.