Home / 190,408.79-262,762.49-104,372.55

Finding the Fourth Proportional to 190,408.79, 262,762.49 and 104,372.55

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Solution

The fourth proportional to 190,408.79, 262,762.49 and 104,372.55 is: 144,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.79 : 262,762.49 = 104,372.55 : x
  2. Step 2: Convert to fraction form
    190,408.79/262,762.49 = 104,372.55/x
  3. Step 3: Cross multiply
    190,408.79x = 262,762.49 × 104,372.55
  4. Step 4: Simplify right side
    190,408.79x = 27,425,190,603.79
  5. Step 5: Solve for x
    x = 27,425,190,603.79/190,408.79
  6. Step 6: Final answer
    x = 144,033.22

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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.