Home / 190,627.86-285,742.26-64,224.43

Finding the Fourth Proportional to 190,627.86, 285,742.26 and 64,224.43

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Solution

The fourth proportional to 190,627.86, 285,742.26 and 64,224.43 is: 96,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,627.86 : 285,742.26 = 64,224.43 : x
  2. Step 2: Convert to fraction form
    190,627.86/285,742.26 = 64,224.43/x
  3. Step 3: Cross multiply
    190,627.86x = 285,742.26 × 64,224.43
  4. Step 4: Simplify right side
    190,627.86x = 18,351,633,061.06
  5. Step 5: Solve for x
    x = 18,351,633,061.06/190,627.86
  6. Step 6: Final answer
    x = 96,269.42

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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.