Home / 72,269.36-108,291.66-50,126

Finding the Fourth Proportional to 72,269.36, 108,291.66 and 50,126

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Solution

The fourth proportional to 72,269.36, 108,291.66 and 50,126 is: 75,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,269.36 : 108,291.66 = 50,126 : x
  2. Step 2: Convert to fraction form
    72,269.36/108,291.66 = 50,126/x
  3. Step 3: Cross multiply
    72,269.36x = 108,291.66 × 50,126
  4. Step 4: Simplify right side
    72,269.36x = 5,428,227,749.16
  5. Step 5: Solve for x
    x = 5,428,227,749.16/72,269.36
  6. Step 6: Final answer
    x = 75,111.05

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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.