Home / 190,388.60-262,736.27-105,522.07

Finding the Fourth Proportional to 190,388.60, 262,736.27 and 105,522.07

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Solution

The fourth proportional to 190,388.60, 262,736.27 and 105,522.07 is: 145,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,388.60 : 262,736.27 = 105,522.07 : x
  2. Step 2: Convert to fraction form
    190,388.60/262,736.27 = 105,522.07/x
  3. Step 3: Cross multiply
    190,388.60x = 262,736.27 × 105,522.07
  4. Step 4: Simplify right side
    190,388.60x = 27,724,474,187.81
  5. Step 5: Solve for x
    x = 27,724,474,187.81/190,388.60
  6. Step 6: Final answer
    x = 145,620.45

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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.