Home / 190,099.13-285,148.69-49,857.75

Finding the Fourth Proportional to 190,099.13, 285,148.69 and 49,857.75

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Solution

The fourth proportional to 190,099.13, 285,148.69 and 49,857.75 is: 74,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.13 : 285,148.69 = 49,857.75 : x
  2. Step 2: Convert to fraction form
    190,099.13/285,148.69 = 49,857.75/x
  3. Step 3: Cross multiply
    190,099.13x = 285,148.69 × 49,857.75
  4. Step 4: Simplify right side
    190,099.13x = 14,216,872,098.85
  5. Step 5: Solve for x
    x = 14,216,872,098.85/190,099.13
  6. Step 6: Final answer
    x = 74,786.62

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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.