Home / 223,020.78-307,628.70-132,312.54

Finding the Fourth Proportional to 223,020.78, 307,628.70 and 132,312.54

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Solution

The fourth proportional to 223,020.78, 307,628.70 and 132,312.54 is: 182,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,020.78 : 307,628.70 = 132,312.54 : x
  2. Step 2: Convert to fraction form
    223,020.78/307,628.70 = 132,312.54/x
  3. Step 3: Cross multiply
    223,020.78x = 307,628.70 × 132,312.54
  4. Step 4: Simplify right side
    223,020.78x = 40,703,134,673.90
  5. Step 5: Solve for x
    x = 40,703,134,673.90/223,020.78
  6. Step 6: Final answer
    x = 182,508.26

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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.