Home / 114,183.12-171,053.04-84,142.84

Finding the Fourth Proportional to 114,183.12, 171,053.04 and 84,142.84

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Solution

The fourth proportional to 114,183.12, 171,053.04 and 84,142.84 is: 126,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,183.12 : 171,053.04 = 84,142.84 : x
  2. Step 2: Convert to fraction form
    114,183.12/171,053.04 = 84,142.84/x
  3. Step 3: Cross multiply
    114,183.12x = 171,053.04 × 84,142.84
  4. Step 4: Simplify right side
    114,183.12x = 14,392,888,576.23
  5. Step 5: Solve for x
    x = 14,392,888,576.23/114,183.12
  6. Step 6: Final answer
    x = 126,050.93

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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.