Home / 166,143.66-229,277.72-90,692.16

Finding the Fourth Proportional to 166,143.66, 229,277.72 and 90,692.16

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Solution

The fourth proportional to 166,143.66, 229,277.72 and 90,692.16 is: 125,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,143.66 : 229,277.72 = 90,692.16 : x
  2. Step 2: Convert to fraction form
    166,143.66/229,277.72 = 90,692.16/x
  3. Step 3: Cross multiply
    166,143.66x = 229,277.72 × 90,692.16
  4. Step 4: Simplify right side
    166,143.66x = 20,793,691,666.68
  5. Step 5: Solve for x
    x = 20,793,691,666.68/166,143.66
  6. Step 6: Final answer
    x = 125,154.89

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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.