Home / 144,678.35-199,650.62-81,012.96

Finding the Fourth Proportional to 144,678.35, 199,650.62 and 81,012.96

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Solution

The fourth proportional to 144,678.35, 199,650.62 and 81,012.96 is: 111,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,678.35 : 199,650.62 = 81,012.96 : x
  2. Step 2: Convert to fraction form
    144,678.35/199,650.62 = 81,012.96/x
  3. Step 3: Cross multiply
    144,678.35x = 199,650.62 × 81,012.96
  4. Step 4: Simplify right side
    144,678.35x = 16,174,287,894.57
  5. Step 5: Solve for x
    x = 16,174,287,894.57/144,678.35
  6. Step 6: Final answer
    x = 111,794.80

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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.