Home / 126,828.45-190,334.94-102,166.26

Finding the Fourth Proportional to 126,828.45, 190,334.94 and 102,166.26

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Solution

The fourth proportional to 126,828.45, 190,334.94 and 102,166.26 is: 153,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.45 : 190,334.94 = 102,166.26 : x
  2. Step 2: Convert to fraction form
    126,828.45/190,334.94 = 102,166.26/x
  3. Step 3: Cross multiply
    126,828.45x = 190,334.94 × 102,166.26
  4. Step 4: Simplify right side
    126,828.45x = 19,445,807,870.24
  5. Step 5: Solve for x
    x = 19,445,807,870.24/126,828.45
  6. Step 6: Final answer
    x = 153,323.71

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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.