Home / 190,642.62-263,092.23-104,605.50

Finding the Fourth Proportional to 190,642.62, 263,092.23 and 104,605.50

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Solution

The fourth proportional to 190,642.62, 263,092.23 and 104,605.50 is: 144,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,642.62 : 263,092.23 = 104,605.50 : x
  2. Step 2: Convert to fraction form
    190,642.62/263,092.23 = 104,605.50/x
  3. Step 3: Cross multiply
    190,642.62x = 263,092.23 × 104,605.50
  4. Step 4: Simplify right side
    190,642.62x = 27,520,894,265.27
  5. Step 5: Solve for x
    x = 27,520,894,265.27/190,642.62
  6. Step 6: Final answer
    x = 144,358.56

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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.