Home / 166,458-229,712.04-91,007.04

Finding the Fourth Proportional to 166,458, 229,712.04 and 91,007.04

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Solution

The fourth proportional to 166,458, 229,712.04 and 91,007.04 is: 125,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,458 : 229,712.04 = 91,007.04 : x
  2. Step 2: Convert to fraction form
    166,458/229,712.04 = 91,007.04/x
  3. Step 3: Cross multiply
    166,458x = 229,712.04 × 91,007.04
  4. Step 4: Simplify right side
    166,458x = 20,905,412,812.76
  5. Step 5: Solve for x
    x = 20,905,412,812.76/166,458
  6. Step 6: Final answer
    x = 125,589.72

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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.