Home / 149,451.56-223,928.16-122,879.51

Finding the Fourth Proportional to 149,451.56, 223,928.16 and 122,879.51

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Solution

The fourth proportional to 149,451.56, 223,928.16 and 122,879.51 is: 184,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,451.56 : 223,928.16 = 122,879.51 : x
  2. Step 2: Convert to fraction form
    149,451.56/223,928.16 = 122,879.51/x
  3. Step 3: Cross multiply
    149,451.56x = 223,928.16 × 122,879.51
  4. Step 4: Simplify right side
    149,451.56x = 27,516,182,576.00
  5. Step 5: Solve for x
    x = 27,516,182,576.00/149,451.56
  6. Step 6: Final answer
    x = 184,114.39

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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.