Home / 117,654.32-162,369.18-66,676.97

Finding the Fourth Proportional to 117,654.32, 162,369.18 and 66,676.97

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Solution

The fourth proportional to 117,654.32, 162,369.18 and 66,676.97 is: 92,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,654.32 : 162,369.18 = 66,676.97 : x
  2. Step 2: Convert to fraction form
    117,654.32/162,369.18 = 66,676.97/x
  3. Step 3: Cross multiply
    117,654.32x = 162,369.18 × 66,676.97
  4. Step 4: Simplify right side
    117,654.32x = 10,826,284,131.94
  5. Step 5: Solve for x
    x = 10,826,284,131.94/117,654.32
  6. Step 6: Final answer
    x = 92,017.74

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1.5x scale

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.