Home / 144,582.67-199,516.26-80,908.17

Finding the Fourth Proportional to 144,582.67, 199,516.26 and 80,908.17

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Solution

The fourth proportional to 144,582.67, 199,516.26 and 80,908.17 is: 111,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582.67 : 199,516.26 = 80,908.17 : x
  2. Step 2: Convert to fraction form
    144,582.67/199,516.26 = 80,908.17/x
  3. Step 3: Cross multiply
    144,582.67x = 199,516.26 × 80,908.17
  4. Step 4: Simplify right side
    144,582.67x = 16,142,495,481.84
  5. Step 5: Solve for x
    x = 16,142,495,481.84/144,582.67
  6. Step 6: Final answer
    x = 111,648.90

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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.