Home / 214,911.01-322,421.19-126,239.50

Finding the Fourth Proportional to 214,911.01, 322,421.19 and 126,239.50

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Solution

The fourth proportional to 214,911.01, 322,421.19 and 126,239.50 is: 189,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,911.01 : 322,421.19 = 126,239.50 : x
  2. Step 2: Convert to fraction form
    214,911.01/322,421.19 = 126,239.50/x
  3. Step 3: Cross multiply
    214,911.01x = 322,421.19 × 126,239.50
  4. Step 4: Simplify right side
    214,911.01x = 40,702,289,815.01
  5. Step 5: Solve for x
    x = 40,702,289,815.01/214,911.01
  6. Step 6: Final answer
    x = 189,391.37

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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.