Home / 144,973.13-200,074.97-80,448.43

Finding the Fourth Proportional to 144,973.13, 200,074.97 and 80,448.43

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Solution

The fourth proportional to 144,973.13, 200,074.97 and 80,448.43 is: 111,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,973.13 : 200,074.97 = 80,448.43 : x
  2. Step 2: Convert to fraction form
    144,973.13/200,074.97 = 80,448.43/x
  3. Step 3: Cross multiply
    144,973.13x = 200,074.97 × 80,448.43
  4. Step 4: Simplify right side
    144,973.13x = 16,095,717,218.80
  5. Step 5: Solve for x
    x = 16,095,717,218.80/144,973.13
  6. Step 6: Final answer
    x = 111,025.52

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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.