Home / 100,316.24-150,474.94-25,436.54

Finding the Fourth Proportional to 100,316.24, 150,474.94 and 25,436.54

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Solution

The fourth proportional to 100,316.24, 150,474.94 and 25,436.54 is: 38,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316.24 : 150,474.94 = 25,436.54 : x
  2. Step 2: Convert to fraction form
    100,316.24/150,474.94 = 25,436.54/x
  3. Step 3: Cross multiply
    100,316.24x = 150,474.94 × 25,436.54
  4. Step 4: Simplify right side
    100,316.24x = 3,827,561,014.34
  5. Step 5: Solve for x
    x = 3,827,561,014.34/100,316.24
  6. Step 6: Final answer
    x = 38,154.95

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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.