Home / 140,786.22-194,285.04-77,124.26

Finding the Fourth Proportional to 140,786.22, 194,285.04 and 77,124.26

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Solution

The fourth proportional to 140,786.22, 194,285.04 and 77,124.26 is: 106,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,786.22 : 194,285.04 = 77,124.26 : x
  2. Step 2: Convert to fraction form
    140,786.22/194,285.04 = 77,124.26/x
  3. Step 3: Cross multiply
    140,786.22x = 194,285.04 × 77,124.26
  4. Step 4: Simplify right side
    140,786.22x = 14,984,089,939.07
  5. Step 5: Solve for x
    x = 14,984,089,939.07/140,786.22
  6. Step 6: Final answer
    x = 106,431.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.