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Finding the Fourth Proportional to 134,100.82, 185,062.20 and 73,675.20

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Solution

The fourth proportional to 134,100.82, 185,062.20 and 73,675.20 is: 101,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,100.82 : 185,062.20 = 73,675.20 : x
  2. Step 2: Convert to fraction form
    134,100.82/185,062.20 = 73,675.20/x
  3. Step 3: Cross multiply
    134,100.82x = 185,062.20 × 73,675.20
  4. Step 4: Simplify right side
    134,100.82x = 13,634,494,597.44
  5. Step 5: Solve for x
    x = 13,634,494,597.44/134,100.82
  6. Step 6: Final answer
    x = 101,673.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.