Home / 144,284.18-199,111.75-80,622.03

Finding the Fourth Proportional to 144,284.18, 199,111.75 and 80,622.03

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Solution

The fourth proportional to 144,284.18, 199,111.75 and 80,622.03 is: 111,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,284.18 : 199,111.75 = 80,622.03 : x
  2. Step 2: Convert to fraction form
    144,284.18/199,111.75 = 80,622.03/x
  3. Step 3: Cross multiply
    144,284.18x = 199,111.75 × 80,622.03
  4. Step 4: Simplify right side
    144,284.18x = 16,052,793,481.85
  5. Step 5: Solve for x
    x = 16,052,793,481.85/144,284.18
  6. Step 6: Final answer
    x = 111,258.17

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1.5x scale

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.