Home / 126,439.98-174,486.42-69,851.22

Finding the Fourth Proportional to 126,439.98, 174,486.42 and 69,851.22

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Solution

The fourth proportional to 126,439.98, 174,486.42 and 69,851.22 is: 96,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,439.98 : 174,486.42 = 69,851.22 : x
  2. Step 2: Convert to fraction form
    126,439.98/174,486.42 = 69,851.22/x
  3. Step 3: Cross multiply
    126,439.98x = 174,486.42 × 69,851.22
  4. Step 4: Simplify right side
    126,439.98x = 12,188,089,310.43
  5. Step 5: Solve for x
    x = 12,188,089,310.43/126,439.98
  6. Step 6: Final answer
    x = 96,394.27

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1.5x scale

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.