Home / 144,336.62-199,185.28-80,673.06

Finding the Fourth Proportional to 144,336.62, 199,185.28 and 80,673.06

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Solution

The fourth proportional to 144,336.62, 199,185.28 and 80,673.06 is: 111,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,336.62 : 199,185.28 = 80,673.06 : x
  2. Step 2: Convert to fraction form
    144,336.62/199,185.28 = 80,673.06/x
  3. Step 3: Cross multiply
    144,336.62x = 199,185.28 × 80,673.06
  4. Step 4: Simplify right side
    144,336.62x = 16,068,886,044.56
  5. Step 5: Solve for x
    x = 16,068,886,044.56/144,336.62
  6. Step 6: Final answer
    x = 111,329.24

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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.