Home / 166,980.69-230,738.47-121,579.58

Finding the Fourth Proportional to 166,980.69, 230,738.47 and 121,579.58

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Solution

The fourth proportional to 166,980.69, 230,738.47 and 121,579.58 is: 168,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,980.69 : 230,738.47 = 121,579.58 : x
  2. Step 2: Convert to fraction form
    166,980.69/230,738.47 = 121,579.58/x
  3. Step 3: Cross multiply
    166,980.69x = 230,738.47 × 121,579.58
  4. Step 4: Simplify right side
    166,980.69x = 28,053,087,229.23
  5. Step 5: Solve for x
    x = 28,053,087,229.23/166,980.69
  6. Step 6: Final answer
    x = 168,001.98

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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.