Home / 149,237.68-223,910-74,351.16

Finding the Fourth Proportional to 149,237.68, 223,910 and 74,351.16

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Solution

The fourth proportional to 149,237.68, 223,910 and 74,351.16 is: 111,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,237.68 : 223,910 = 74,351.16 : x
  2. Step 2: Convert to fraction form
    149,237.68/223,910 = 74,351.16/x
  3. Step 3: Cross multiply
    149,237.68x = 223,910 × 74,351.16
  4. Step 4: Simplify right side
    149,237.68x = 16,647,968,235.60
  5. Step 5: Solve for x
    x = 16,647,968,235.60/149,237.68
  6. Step 6: Final answer
    x = 111,553.38

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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.