Home / 190,622.36-285,934.62-50,379.50

Finding the Fourth Proportional to 190,622.36, 285,934.62 and 50,379.50

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Solution

The fourth proportional to 190,622.36, 285,934.62 and 50,379.50 is: 75,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,622.36 : 285,934.62 = 50,379.50 : x
  2. Step 2: Convert to fraction form
    190,622.36/285,934.62 = 50,379.50/x
  3. Step 3: Cross multiply
    190,622.36x = 285,934.62 × 50,379.50
  4. Step 4: Simplify right side
    190,622.36x = 14,405,243,188.29
  5. Step 5: Solve for x
    x = 14,405,243,188.29/190,622.36
  6. Step 6: Final answer
    x = 75,569.54

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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.