Home / 190,406.44-285,077.18-143,512.36

Finding the Fourth Proportional to 190,406.44, 285,077.18 and 143,512.36

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Solution

The fourth proportional to 190,406.44, 285,077.18 and 143,512.36 is: 214,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,406.44 : 285,077.18 = 143,512.36 : x
  2. Step 2: Convert to fraction form
    190,406.44/285,077.18 = 143,512.36/x
  3. Step 3: Cross multiply
    190,406.44x = 285,077.18 × 143,512.36
  4. Step 4: Simplify right side
    190,406.44x = 40,912,098,883.94
  5. Step 5: Solve for x
    x = 40,912,098,883.94/190,406.44
  6. Step 6: Final answer
    x = 214,867.20

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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.