Home / 97,959.26-135,185.27-54,948.30

Finding the Fourth Proportional to 97,959.26, 135,185.27 and 54,948.30

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Solution

The fourth proportional to 97,959.26, 135,185.27 and 54,948.30 is: 75,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,959.26 : 135,185.27 = 54,948.30 : x
  2. Step 2: Convert to fraction form
    97,959.26/135,185.27 = 54,948.30/x
  3. Step 3: Cross multiply
    97,959.26x = 135,185.27 × 54,948.30
  4. Step 4: Simplify right side
    97,959.26x = 7,428,200,447.33
  5. Step 5: Solve for x
    x = 7,428,200,447.33/97,959.26
  6. Step 6: Final answer
    x = 75,829.49

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1.5x scale

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.