Home / 96,857.95-133,679.83-80,699.63

Finding the Fourth Proportional to 96,857.95, 133,679.83 and 80,699.63

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Solution

The fourth proportional to 96,857.95, 133,679.83 and 80,699.63 is: 111,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,857.95 : 133,679.83 = 80,699.63 : x
  2. Step 2: Convert to fraction form
    96,857.95/133,679.83 = 80,699.63/x
  3. Step 3: Cross multiply
    96,857.95x = 133,679.83 × 80,699.63
  4. Step 4: Simplify right side
    96,857.95x = 10,787,912,819.46
  5. Step 5: Solve for x
    x = 10,787,912,819.46/96,857.95
  6. Step 6: Final answer
    x = 111,378.70

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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.