Home / 100,338.08-150,506.74-25,458.03

Finding the Fourth Proportional to 100,338.08, 150,506.74 and 25,458.03

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Solution

The fourth proportional to 100,338.08, 150,506.74 and 25,458.03 is: 38,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,338.08 : 150,506.74 = 25,458.03 : x
  2. Step 2: Convert to fraction form
    100,338.08/150,506.74 = 25,458.03/x
  3. Step 3: Cross multiply
    100,338.08x = 150,506.74 × 25,458.03
  4. Step 4: Simplify right side
    100,338.08x = 3,831,605,133.94
  5. Step 5: Solve for x
    x = 3,831,605,133.94/100,338.08
  6. Step 6: Final answer
    x = 38,186.95

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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.