Home / 136,530.32-204,795-61,676.72

Finding the Fourth Proportional to 136,530.32, 204,795 and 61,676.72

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Solution

The fourth proportional to 136,530.32, 204,795 and 61,676.72 is: 92,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,530.32 : 204,795 = 61,676.72 : x
  2. Step 2: Convert to fraction form
    136,530.32/204,795 = 61,676.72/x
  3. Step 3: Cross multiply
    136,530.32x = 204,795 × 61,676.72
  4. Step 4: Simplify right side
    136,530.32x = 12,631,083,872.40
  5. Step 5: Solve for x
    x = 12,631,083,872.40/136,530.32
  6. Step 6: Final answer
    x = 92,514.86

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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.