Home / 126,109.48-174,038.70-69,520.60

Finding the Fourth Proportional to 126,109.48, 174,038.70 and 69,520.60

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Solution

The fourth proportional to 126,109.48, 174,038.70 and 69,520.60 is: 95,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.48 : 174,038.70 = 69,520.60 : x
  2. Step 2: Convert to fraction form
    126,109.48/174,038.70 = 69,520.60/x
  3. Step 3: Cross multiply
    126,109.48x = 174,038.70 × 69,520.60
  4. Step 4: Simplify right side
    126,109.48x = 12,099,274,847.22
  5. Step 5: Solve for x
    x = 12,099,274,847.22/126,109.48
  6. Step 6: Final answer
    x = 95,942.63

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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.