Home / 166,618.89-229,694.90-118,789.20

Finding the Fourth Proportional to 166,618.89, 229,694.90 and 118,789.20

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Solution

The fourth proportional to 166,618.89, 229,694.90 and 118,789.20 is: 163,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.89 : 229,694.90 = 118,789.20 : x
  2. Step 2: Convert to fraction form
    166,618.89/229,694.90 = 118,789.20/x
  3. Step 3: Cross multiply
    166,618.89x = 229,694.90 × 118,789.20
  4. Step 4: Simplify right side
    166,618.89x = 27,285,272,821.13
  5. Step 5: Solve for x
    x = 27,285,272,821.13/166,618.89
  6. Step 6: Final answer
    x = 163,758.58

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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.