Home / 223,072.08-307,896.30-127,608.72

Finding the Fourth Proportional to 223,072.08, 307,896.30 and 127,608.72

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Solution

The fourth proportional to 223,072.08, 307,896.30 and 127,608.72 is: 176,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,072.08 : 307,896.30 = 127,608.72 : x
  2. Step 2: Convert to fraction form
    223,072.08/307,896.30 = 127,608.72/x
  3. Step 3: Cross multiply
    223,072.08x = 307,896.30 × 127,608.72
  4. Step 4: Simplify right side
    223,072.08x = 39,290,252,735.74
  5. Step 5: Solve for x
    x = 39,290,252,735.74/223,072.08
  6. Step 6: Final answer
    x = 176,132.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.