Home / 78,273.26-117,403.66-22,111.10

Finding the Fourth Proportional to 78,273.26, 117,403.66 and 22,111.10

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Solution

The fourth proportional to 78,273.26, 117,403.66 and 22,111.10 is: 33,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273.26 : 117,403.66 = 22,111.10 : x
  2. Step 2: Convert to fraction form
    78,273.26/117,403.66 = 22,111.10/x
  3. Step 3: Cross multiply
    78,273.26x = 117,403.66 × 22,111.10
  4. Step 4: Simplify right side
    78,273.26x = 2,595,924,066.63
  5. Step 5: Solve for x
    x = 2,595,924,066.63/78,273.26
  6. Step 6: Final answer
    x = 33,164.89

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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.