Home / 168,676.14-253,055.70-118,853.50

Finding the Fourth Proportional to 168,676.14, 253,055.70 and 118,853.50

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Solution

The fourth proportional to 168,676.14, 253,055.70 and 118,853.50 is: 178,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,676.14 : 253,055.70 = 118,853.50 : x
  2. Step 2: Convert to fraction form
    168,676.14/253,055.70 = 118,853.50/x
  3. Step 3: Cross multiply
    168,676.14x = 253,055.70 × 118,853.50
  4. Step 4: Simplify right side
    168,676.14x = 30,076,555,639.95
  5. Step 5: Solve for x
    x = 30,076,555,639.95/168,676.14
  6. Step 6: Final answer
    x = 178,309.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.