Home / 126,786.54-190,181.97-47,937.90

Finding the Fourth Proportional to 126,786.54, 190,181.97 and 47,937.90

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Solution

The fourth proportional to 126,786.54, 190,181.97 and 47,937.90 is: 71,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.54 : 190,181.97 = 47,937.90 : x
  2. Step 2: Convert to fraction form
    126,786.54/190,181.97 = 47,937.90/x
  3. Step 3: Cross multiply
    126,786.54x = 190,181.97 × 47,937.90
  4. Step 4: Simplify right side
    126,786.54x = 9,116,924,259.66
  5. Step 5: Solve for x
    x = 9,116,924,259.66/126,786.54
  6. Step 6: Final answer
    x = 71,907.67

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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.