Home / 72,268.36-108,290.16-50,125

Finding the Fourth Proportional to 72,268.36, 108,290.16 and 50,125

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Solution

The fourth proportional to 72,268.36, 108,290.16 and 50,125 is: 75,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,268.36 : 108,290.16 = 50,125 : x
  2. Step 2: Convert to fraction form
    72,268.36/108,290.16 = 50,125/x
  3. Step 3: Cross multiply
    72,268.36x = 108,290.16 × 50,125
  4. Step 4: Simplify right side
    72,268.36x = 5,428,044,270
  5. Step 5: Solve for x
    x = 5,428,044,270/72,268.36
  6. Step 6: Final answer
    x = 75,109.55

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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.