Home / 144,918.75-199,919.84-102,500.67

Finding the Fourth Proportional to 144,918.75, 199,919.84 and 102,500.67

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Solution

The fourth proportional to 144,918.75, 199,919.84 and 102,500.67 is: 141,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,918.75 : 199,919.84 = 102,500.67 : x
  2. Step 2: Convert to fraction form
    144,918.75/199,919.84 = 102,500.67/x
  3. Step 3: Cross multiply
    144,918.75x = 199,919.84 × 102,500.67
  4. Step 4: Simplify right side
    144,918.75x = 20,491,917,033.79
  5. Step 5: Solve for x
    x = 20,491,917,033.79/144,918.75
  6. Step 6: Final answer
    x = 141,402.80

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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.