Home / 197,121.42-295,892.55-84,857.22

Finding the Fourth Proportional to 197,121.42, 295,892.55 and 84,857.22

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Solution

The fourth proportional to 197,121.42, 295,892.55 and 84,857.22 is: 127,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,121.42 : 295,892.55 = 84,857.22 : x
  2. Step 2: Convert to fraction form
    197,121.42/295,892.55 = 84,857.22/x
  3. Step 3: Cross multiply
    197,121.42x = 295,892.55 × 84,857.22
  4. Step 4: Simplify right side
    197,121.42x = 25,108,619,211.71
  5. Step 5: Solve for x
    x = 25,108,619,211.71/197,121.42
  6. Step 6: Final answer
    x = 127,376.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.