Home / 126,814.20-190,091.70-74,196.60

Finding the Fourth Proportional to 126,814.20, 190,091.70 and 74,196.60

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Solution

The fourth proportional to 126,814.20, 190,091.70 and 74,196.60 is: 111,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.20 : 190,091.70 = 74,196.60 : x
  2. Step 2: Convert to fraction form
    126,814.20/190,091.70 = 74,196.60/x
  3. Step 3: Cross multiply
    126,814.20x = 190,091.70 × 74,196.60
  4. Step 4: Simplify right side
    126,814.20x = 14,104,157,828.22
  5. Step 5: Solve for x
    x = 14,104,157,828.22/126,814.20
  6. Step 6: Final answer
    x = 111,219.07

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1.5x scale

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.