Home / 166,035.39-229,131.48-90,583.89

Finding the Fourth Proportional to 166,035.39, 229,131.48 and 90,583.89

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Solution

The fourth proportional to 166,035.39, 229,131.48 and 90,583.89 is: 125,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,035.39 : 229,131.48 = 90,583.89 : x
  2. Step 2: Convert to fraction form
    166,035.39/229,131.48 = 90,583.89/x
  3. Step 3: Cross multiply
    166,035.39x = 229,131.48 × 90,583.89
  4. Step 4: Simplify right side
    166,035.39x = 20,755,620,779.86
  5. Step 5: Solve for x
    x = 20,755,620,779.86/166,035.39
  6. Step 6: Final answer
    x = 125,007.21

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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.