Home / 80,082.54-120,166.59-51,995.94

Finding the Fourth Proportional to 80,082.54, 120,166.59 and 51,995.94

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Solution

The fourth proportional to 80,082.54, 120,166.59 and 51,995.94 is: 78,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,082.54 : 120,166.59 = 51,995.94 : x
  2. Step 2: Convert to fraction form
    80,082.54/120,166.59 = 51,995.94/x
  3. Step 3: Cross multiply
    80,082.54x = 120,166.59 × 51,995.94
  4. Step 4: Simplify right side
    80,082.54x = 6,248,174,803.64
  5. Step 5: Solve for x
    x = 6,248,174,803.64/80,082.54
  6. Step 6: Final answer
    x = 78,021.69

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1.5x scale

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.