Home / 144,837.90-199,883.97-81,196.02

Finding the Fourth Proportional to 144,837.90, 199,883.97 and 81,196.02

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Solution

The fourth proportional to 144,837.90, 199,883.97 and 81,196.02 is: 112,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837.90 : 199,883.97 = 81,196.02 : x
  2. Step 2: Convert to fraction form
    144,837.90/199,883.97 = 81,196.02/x
  3. Step 3: Cross multiply
    144,837.90x = 199,883.97 × 81,196.02
  4. Step 4: Simplify right side
    144,837.90x = 16,229,782,825.80
  5. Step 5: Solve for x
    x = 16,229,782,825.80/144,837.90
  6. Step 6: Final answer
    x = 112,054.81

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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.