Home / 144,231.92-199,039.20-80,569.52

Finding the Fourth Proportional to 144,231.92, 199,039.20 and 80,569.52

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Solution

The fourth proportional to 144,231.92, 199,039.20 and 80,569.52 is: 111,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,231.92 : 199,039.20 = 80,569.52 : x
  2. Step 2: Convert to fraction form
    144,231.92/199,039.20 = 80,569.52/x
  3. Step 3: Cross multiply
    144,231.92x = 199,039.20 × 80,569.52
  4. Step 4: Simplify right side
    144,231.92x = 16,036,492,805.18
  5. Step 5: Solve for x
    x = 16,036,492,805.18/144,231.92
  6. Step 6: Final answer
    x = 111,185.46

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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.