Home / 190,028.10-285,051.33-49,786.86

Finding the Fourth Proportional to 190,028.10, 285,051.33 and 49,786.86

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Solution

The fourth proportional to 190,028.10, 285,051.33 and 49,786.86 is: 74,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028.10 : 285,051.33 = 49,786.86 : x
  2. Step 2: Convert to fraction form
    190,028.10/285,051.33 = 49,786.86/x
  3. Step 3: Cross multiply
    190,028.10x = 285,051.33 × 49,786.86
  4. Step 4: Simplify right side
    190,028.10x = 14,191,810,659.52
  5. Step 5: Solve for x
    x = 14,191,810,659.52/190,028.10
  6. Step 6: Final answer
    x = 74,682.70

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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.