Home / 136,638.25-204,951.56-46,689.05

Finding the Fourth Proportional to 136,638.25, 204,951.56 and 46,689.05

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Solution

The fourth proportional to 136,638.25, 204,951.56 and 46,689.05 is: 70,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,638.25 : 204,951.56 = 46,689.05 : x
  2. Step 2: Convert to fraction form
    136,638.25/204,951.56 = 46,689.05/x
  3. Step 3: Cross multiply
    136,638.25x = 204,951.56 × 46,689.05
  4. Step 4: Simplify right side
    136,638.25x = 9,568,992,374.21
  5. Step 5: Solve for x
    x = 9,568,992,374.21/136,638.25
  6. Step 6: Final answer
    x = 70,031.58

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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.