Home / 149,297.72-223,911.74-85,983.26

Finding the Fourth Proportional to 149,297.72, 223,911.74 and 85,983.26

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Solution

The fourth proportional to 149,297.72, 223,911.74 and 85,983.26 is: 128,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,297.72 : 223,911.74 = 85,983.26 : x
  2. Step 2: Convert to fraction form
    149,297.72/223,911.74 = 85,983.26/x
  3. Step 3: Cross multiply
    149,297.72x = 223,911.74 × 85,983.26
  4. Step 4: Simplify right side
    149,297.72x = 19,252,660,452.87
  5. Step 5: Solve for x
    x = 19,252,660,452.87/149,297.72
  6. Step 6: Final answer
    x = 128,954.82

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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.