Home / 126,982.45-190,306.54-70,848.98

Finding the Fourth Proportional to 126,982.45, 190,306.54 and 70,848.98

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Solution

The fourth proportional to 126,982.45, 190,306.54 and 70,848.98 is: 106,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982.45 : 190,306.54 = 70,848.98 : x
  2. Step 2: Convert to fraction form
    126,982.45/190,306.54 = 70,848.98/x
  3. Step 3: Cross multiply
    126,982.45x = 190,306.54 × 70,848.98
  4. Step 4: Simplify right side
    126,982.45x = 13,483,022,940.55
  5. Step 5: Solve for x
    x = 13,483,022,940.55/126,982.45
  6. Step 6: Final answer
    x = 106,180.21

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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.