Home / 208,917.14-313,255.50-111,423.47

Finding the Fourth Proportional to 208,917.14, 313,255.50 and 111,423.47

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Solution

The fourth proportional to 208,917.14, 313,255.50 and 111,423.47 is: 167,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,917.14 : 313,255.50 = 111,423.47 : x
  2. Step 2: Convert to fraction form
    208,917.14/313,255.50 = 111,423.47/x
  3. Step 3: Cross multiply
    208,917.14x = 313,255.50 × 111,423.47
  4. Step 4: Simplify right side
    208,917.14x = 34,904,013,240.31
  5. Step 5: Solve for x
    x = 34,904,013,240.31/208,917.14
  6. Step 6: Final answer
    x = 167,071.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.