Home / 126,722.20-190,083.30-125,847.40

Finding the Fourth Proportional to 126,722.20, 190,083.30 and 125,847.40

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Solution

The fourth proportional to 126,722.20, 190,083.30 and 125,847.40 is: 188,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.20 : 190,083.30 = 125,847.40 : x
  2. Step 2: Convert to fraction form
    126,722.20/190,083.30 = 125,847.40/x
  3. Step 3: Cross multiply
    126,722.20x = 190,083.30 × 125,847.40
  4. Step 4: Simplify right side
    126,722.20x = 23,921,489,088.42
  5. Step 5: Solve for x
    x = 23,921,489,088.42/126,722.20
  6. Step 6: Final answer
    x = 188,771.10

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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.