Home / 144,747.25-199,751.21-81,085.03

Finding the Fourth Proportional to 144,747.25, 199,751.21 and 81,085.03

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Solution

The fourth proportional to 144,747.25, 199,751.21 and 81,085.03 is: 111,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.25 : 199,751.21 = 81,085.03 : x
  2. Step 2: Convert to fraction form
    144,747.25/199,751.21 = 81,085.03/x
  3. Step 3: Cross multiply
    144,747.25x = 199,751.21 × 81,085.03
  4. Step 4: Simplify right side
    144,747.25x = 16,196,832,449.96
  5. Step 5: Solve for x
    x = 16,196,832,449.96/144,747.25
  6. Step 6: Final answer
    x = 111,897.34

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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.