Home / 223,110.39-307,892.31-122,508.39

Finding the Fourth Proportional to 223,110.39, 307,892.31 and 122,508.39

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Solution

The fourth proportional to 223,110.39, 307,892.31 and 122,508.39 is: 169,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,110.39 : 307,892.31 = 122,508.39 : x
  2. Step 2: Convert to fraction form
    223,110.39/307,892.31 = 122,508.39/x
  3. Step 3: Cross multiply
    223,110.39x = 307,892.31 × 122,508.39
  4. Step 4: Simplify right side
    223,110.39x = 37,719,391,191.48
  5. Step 5: Solve for x
    x = 37,719,391,191.48/223,110.39
  6. Step 6: Final answer
    x = 169,061.56

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1.5x scale

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.