Home / 140,668.50-211,054.59-74,105.94

Finding the Fourth Proportional to 140,668.50, 211,054.59 and 74,105.94

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Solution

The fourth proportional to 140,668.50, 211,054.59 and 74,105.94 is: 111,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,668.50 : 211,054.59 = 74,105.94 : x
  2. Step 2: Convert to fraction form
    140,668.50/211,054.59 = 74,105.94/x
  3. Step 3: Cross multiply
    140,668.50x = 211,054.59 × 74,105.94
  4. Step 4: Simplify right side
    140,668.50x = 15,640,398,783.26
  5. Step 5: Solve for x
    x = 15,640,398,783.26/140,668.50
  6. Step 6: Final answer
    x = 111,186.22

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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.