Home / 76,102.12-114,153.18-26,183.44

Finding the Fourth Proportional to 76,102.12, 114,153.18 and 26,183.44

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Solution

The fourth proportional to 76,102.12, 114,153.18 and 26,183.44 is: 39,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,102.12 : 114,153.18 = 26,183.44 : x
  2. Step 2: Convert to fraction form
    76,102.12/114,153.18 = 26,183.44/x
  3. Step 3: Cross multiply
    76,102.12x = 114,153.18 × 26,183.44
  4. Step 4: Simplify right side
    76,102.12x = 2,988,922,939.34
  5. Step 5: Solve for x
    x = 2,988,922,939.34/76,102.12
  6. Step 6: Final answer
    x = 39,275.16

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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.