Home / 144,232.42-199,039.80-80,569.66

Finding the Fourth Proportional to 144,232.42, 199,039.80 and 80,569.66

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Solution

The fourth proportional to 144,232.42, 199,039.80 and 80,569.66 is: 111,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,232.42 : 199,039.80 = 80,569.66 : x
  2. Step 2: Convert to fraction form
    144,232.42/199,039.80 = 80,569.66/x
  3. Step 3: Cross multiply
    144,232.42x = 199,039.80 × 80,569.66
  4. Step 4: Simplify right side
    144,232.42x = 16,036,569,012.47
  5. Step 5: Solve for x
    x = 16,036,569,012.47/144,232.42
  6. Step 6: Final answer
    x = 111,185.61

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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.