Home / 80,608.23-120,896.58-76,607.51

Finding the Fourth Proportional to 80,608.23, 120,896.58 and 76,607.51

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Solution

The fourth proportional to 80,608.23, 120,896.58 and 76,607.51 is: 114,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,608.23 : 120,896.58 = 76,607.51 : x
  2. Step 2: Convert to fraction form
    80,608.23/120,896.58 = 76,607.51/x
  3. Step 3: Cross multiply
    80,608.23x = 120,896.58 × 76,607.51
  4. Step 4: Simplify right side
    80,608.23x = 9,261,585,644.11
  5. Step 5: Solve for x
    x = 9,261,585,644.11/80,608.23
  6. Step 6: Final answer
    x = 114,896.28

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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.