Home / 215,464.56-323,088.66-125,536.38

Finding the Fourth Proportional to 215,464.56, 323,088.66 and 125,536.38

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Solution

The fourth proportional to 215,464.56, 323,088.66 and 125,536.38 is: 188,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,464.56 : 323,088.66 = 125,536.38 : x
  2. Step 2: Convert to fraction form
    215,464.56/323,088.66 = 125,536.38/x
  3. Step 3: Cross multiply
    215,464.56x = 323,088.66 × 125,536.38
  4. Step 4: Simplify right side
    215,464.56x = 40,559,380,795.45
  5. Step 5: Solve for x
    x = 40,559,380,795.45/215,464.56
  6. Step 6: Final answer
    x = 188,241.54

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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.