Home / 144,868.16-199,938.56-80,351.66

Finding the Fourth Proportional to 144,868.16, 199,938.56 and 80,351.66

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Solution

The fourth proportional to 144,868.16, 199,938.56 and 80,351.66 is: 110,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,868.16 : 199,938.56 = 80,351.66 : x
  2. Step 2: Convert to fraction form
    144,868.16/199,938.56 = 80,351.66/x
  3. Step 3: Cross multiply
    144,868.16x = 199,938.56 × 80,351.66
  4. Step 4: Simplify right side
    144,868.16x = 16,065,395,194.01
  5. Step 5: Solve for x
    x = 16,065,395,194.01/144,868.16
  6. Step 6: Final answer
    x = 110,896.66

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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.