Home / 86,266.08-118,270.80-84,691.44

Finding the Fourth Proportional to 86,266.08, 118,270.80 and 84,691.44

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Solution

The fourth proportional to 86,266.08, 118,270.80 and 84,691.44 is: 116,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,266.08 : 118,270.80 = 84,691.44 : x
  2. Step 2: Convert to fraction form
    86,266.08/118,270.80 = 84,691.44/x
  3. Step 3: Cross multiply
    86,266.08x = 118,270.80 × 84,691.44
  4. Step 4: Simplify right side
    86,266.08x = 10,016,524,361.95
  5. Step 5: Solve for x
    x = 10,016,524,361.95/86,266.08
  6. Step 6: Final answer
    x = 116,111.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.