Home / 149,011.52-223,548.60-43,821.68

Finding the Fourth Proportional to 149,011.52, 223,548.60 and 43,821.68

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Solution

The fourth proportional to 149,011.52, 223,548.60 and 43,821.68 is: 65,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,011.52 : 223,548.60 = 43,821.68 : x
  2. Step 2: Convert to fraction form
    149,011.52/223,548.60 = 43,821.68/x
  3. Step 3: Cross multiply
    149,011.52x = 223,548.60 × 43,821.68
  4. Step 4: Simplify right side
    149,011.52x = 9,796,275,213.65
  5. Step 5: Solve for x
    x = 9,796,275,213.65/149,011.52
  6. Step 6: Final answer
    x = 65,741.73

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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.