Home / 144,895.50-199,944.18-81,224.64

Finding the Fourth Proportional to 144,895.50, 199,944.18 and 81,224.64

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Solution

The fourth proportional to 144,895.50, 199,944.18 and 81,224.64 is: 112,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.50 : 199,944.18 = 81,224.64 : x
  2. Step 2: Convert to fraction form
    144,895.50/199,944.18 = 81,224.64/x
  3. Step 3: Cross multiply
    144,895.50x = 199,944.18 × 81,224.64
  4. Step 4: Simplify right side
    144,895.50x = 16,240,394,040.60
  5. Step 5: Solve for x
    x = 16,240,394,040.60/144,895.50
  6. Step 6: Final answer
    x = 112,083.49

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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.