Home / 136,636.80-188,573.28-80,095.68

Finding the Fourth Proportional to 136,636.80, 188,573.28 and 80,095.68

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Solution

The fourth proportional to 136,636.80, 188,573.28 and 80,095.68 is: 110,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,636.80 : 188,573.28 = 80,095.68 : x
  2. Step 2: Convert to fraction form
    136,636.80/188,573.28 = 80,095.68/x
  3. Step 3: Cross multiply
    136,636.80x = 188,573.28 × 80,095.68
  4. Step 4: Simplify right side
    136,636.80x = 15,103,905,091.43
  5. Step 5: Solve for x
    x = 15,103,905,091.43/136,636.80
  6. Step 6: Final answer
    x = 110,540.54

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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.