Home / 149,137.56-223,717.26-42,519.48

Finding the Fourth Proportional to 149,137.56, 223,717.26 and 42,519.48

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Solution

The fourth proportional to 149,137.56, 223,717.26 and 42,519.48 is: 63,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,137.56 : 223,717.26 = 42,519.48 : x
  2. Step 2: Convert to fraction form
    149,137.56/223,717.26 = 42,519.48/x
  3. Step 3: Cross multiply
    149,137.56x = 223,717.26 × 42,519.48
  4. Step 4: Simplify right side
    149,137.56x = 9,512,341,562.22
  5. Step 5: Solve for x
    x = 9,512,341,562.22/149,137.56
  6. Step 6: Final answer
    x = 63,782.33

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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.