Home / 166,620-229,935.60-91,168.50

Finding the Fourth Proportional to 166,620, 229,935.60 and 91,168.50

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Solution

The fourth proportional to 166,620, 229,935.60 and 91,168.50 is: 125,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620 : 229,935.60 = 91,168.50 : x
  2. Step 2: Convert to fraction form
    166,620/229,935.60 = 91,168.50/x
  3. Step 3: Cross multiply
    166,620x = 229,935.60 × 91,168.50
  4. Step 4: Simplify right side
    166,620x = 20,962,883,748.60
  5. Step 5: Solve for x
    x = 20,962,883,748.60/166,620
  6. Step 6: Final answer
    x = 125,812.53

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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.