Home / 223,138.14-307,932.63-122,536.86

Finding the Fourth Proportional to 223,138.14, 307,932.63 and 122,536.86

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Solution

The fourth proportional to 223,138.14, 307,932.63 and 122,536.86 is: 169,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,138.14 : 307,932.63 = 122,536.86 : x
  2. Step 2: Convert to fraction form
    223,138.14/307,932.63 = 122,536.86/x
  3. Step 3: Cross multiply
    223,138.14x = 307,932.63 × 122,536.86
  4. Step 4: Simplify right side
    223,138.14x = 37,733,097,571.74
  5. Step 5: Solve for x
    x = 37,733,097,571.74/223,138.14
  6. Step 6: Final answer
    x = 169,101.96

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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.