Home / 190,486.29-285,478.73-106,286.10

Finding the Fourth Proportional to 190,486.29, 285,478.73 and 106,286.10

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Solution

The fourth proportional to 190,486.29, 285,478.73 and 106,286.10 is: 159,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,486.29 : 285,478.73 = 106,286.10 : x
  2. Step 2: Convert to fraction form
    190,486.29/285,478.73 = 106,286.10/x
  3. Step 3: Cross multiply
    190,486.29x = 285,478.73 × 106,286.10
  4. Step 4: Simplify right side
    190,486.29x = 30,342,420,844.65
  5. Step 5: Solve for x
    x = 30,342,420,844.65/190,486.29
  6. Step 6: Final answer
    x = 159,289.26

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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.