Home / 96,855.95-133,677.07-80,697.63

Finding the Fourth Proportional to 96,855.95, 133,677.07 and 80,697.63

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Solution

The fourth proportional to 96,855.95, 133,677.07 and 80,697.63 is: 111,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,855.95 : 133,677.07 = 80,697.63 : x
  2. Step 2: Convert to fraction form
    96,855.95/133,677.07 = 80,697.63/x
  3. Step 3: Cross multiply
    96,855.95x = 133,677.07 × 80,697.63
  4. Step 4: Simplify right side
    96,855.95x = 10,787,422,065.96
  5. Step 5: Solve for x
    x = 10,787,422,065.96/96,855.95
  6. Step 6: Final answer
    x = 111,375.94

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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.