Home / 199,253.51-274,968.05-108,609.47

Finding the Fourth Proportional to 199,253.51, 274,968.05 and 108,609.47

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Solution

The fourth proportional to 199,253.51, 274,968.05 and 108,609.47 is: 149,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,253.51 : 274,968.05 = 108,609.47 : x
  2. Step 2: Convert to fraction form
    199,253.51/274,968.05 = 108,609.47/x
  3. Step 3: Cross multiply
    199,253.51x = 274,968.05 × 108,609.47
  4. Step 4: Simplify right side
    199,253.51x = 29,864,132,259.55
  5. Step 5: Solve for x
    x = 29,864,132,259.55/199,253.51
  6. Step 6: Final answer
    x = 149,880.08

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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.