Home / 126,855.45-190,375.52-102,193.38

Finding the Fourth Proportional to 126,855.45, 190,375.52 and 102,193.38

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Solution

The fourth proportional to 126,855.45, 190,375.52 and 102,193.38 is: 153,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,855.45 : 190,375.52 = 102,193.38 : x
  2. Step 2: Convert to fraction form
    126,855.45/190,375.52 = 102,193.38/x
  3. Step 3: Cross multiply
    126,855.45x = 190,375.52 × 102,193.38
  4. Step 4: Simplify right side
    126,855.45x = 19,455,117,347.09
  5. Step 5: Solve for x
    x = 19,455,117,347.09/126,855.45
  6. Step 6: Final answer
    x = 153,364.46

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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.