Home / 190,142.43-262,399.66-104,099.97

Finding the Fourth Proportional to 190,142.43, 262,399.66 and 104,099.97

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Solution

The fourth proportional to 190,142.43, 262,399.66 and 104,099.97 is: 143,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,142.43 : 262,399.66 = 104,099.97 : x
  2. Step 2: Convert to fraction form
    190,142.43/262,399.66 = 104,099.97/x
  3. Step 3: Cross multiply
    190,142.43x = 262,399.66 × 104,099.97
  4. Step 4: Simplify right side
    190,142.43x = 27,315,797,457.76
  5. Step 5: Solve for x
    x = 27,315,797,457.76/190,142.43
  6. Step 6: Final answer
    x = 143,659.67

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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.