Home / 201,331.86-302,056.11-82,942.26

Finding the Fourth Proportional to 201,331.86, 302,056.11 and 82,942.26

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Solution

The fourth proportional to 201,331.86, 302,056.11 and 82,942.26 is: 124,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,331.86 : 302,056.11 = 82,942.26 : x
  2. Step 2: Convert to fraction form
    201,331.86/302,056.11 = 82,942.26/x
  3. Step 3: Cross multiply
    201,331.86x = 302,056.11 × 82,942.26
  4. Step 4: Simplify right side
    201,331.86x = 25,053,216,410.21
  5. Step 5: Solve for x
    x = 25,053,216,410.21/201,331.86
  6. Step 6: Final answer
    x = 124,437.42

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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.