Home / 134,631.30-201,558.15-82,143.30

Finding the Fourth Proportional to 134,631.30, 201,558.15 and 82,143.30

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Solution

The fourth proportional to 134,631.30, 201,558.15 and 82,143.30 is: 122,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.30 : 201,558.15 = 82,143.30 : x
  2. Step 2: Convert to fraction form
    134,631.30/201,558.15 = 82,143.30/x
  3. Step 3: Cross multiply
    134,631.30x = 201,558.15 × 82,143.30
  4. Step 4: Simplify right side
    134,631.30x = 16,556,651,582.90
  5. Step 5: Solve for x
    x = 16,556,651,582.90/134,631.30
  6. Step 6: Final answer
    x = 122,977.73

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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.