Home / 126,852.20-190,148.70-74,234.60

Finding the Fourth Proportional to 126,852.20, 190,148.70 and 74,234.60

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Solution

The fourth proportional to 126,852.20, 190,148.70 and 74,234.60 is: 111,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,852.20 : 190,148.70 = 74,234.60 : x
  2. Step 2: Convert to fraction form
    126,852.20/190,148.70 = 74,234.60/x
  3. Step 3: Cross multiply
    126,852.20x = 190,148.70 × 74,234.60
  4. Step 4: Simplify right side
    126,852.20x = 14,115,612,685.02
  5. Step 5: Solve for x
    x = 14,115,612,685.02/126,852.20
  6. Step 6: Final answer
    x = 111,276.06

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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.