Home / 213,035.63-293,998.55-122,419.98

Finding the Fourth Proportional to 213,035.63, 293,998.55 and 122,419.98

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Solution

The fourth proportional to 213,035.63, 293,998.55 and 122,419.98 is: 168,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,035.63 : 293,998.55 = 122,419.98 : x
  2. Step 2: Convert to fraction form
    213,035.63/293,998.55 = 122,419.98/x
  3. Step 3: Cross multiply
    213,035.63x = 293,998.55 × 122,419.98
  4. Step 4: Simplify right side
    213,035.63x = 35,991,295,998.93
  5. Step 5: Solve for x
    x = 35,991,295,998.93/213,035.63
  6. Step 6: Final answer
    x = 168,944.96

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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.