Home / 166,488.48-229,752-91,036.80

Finding the Fourth Proportional to 166,488.48, 229,752 and 91,036.80

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Solution

The fourth proportional to 166,488.48, 229,752 and 91,036.80 is: 125,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,488.48 : 229,752 = 91,036.80 : x
  2. Step 2: Convert to fraction form
    166,488.48/229,752 = 91,036.80/x
  3. Step 3: Cross multiply
    166,488.48x = 229,752 × 91,036.80
  4. Step 4: Simplify right side
    166,488.48x = 20,915,886,873.60
  5. Step 5: Solve for x
    x = 20,915,886,873.60/166,488.48
  6. Step 6: Final answer
    x = 125,629.63

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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.