Home / 255,936.30-383,904.42-87,458.08

Finding the Fourth Proportional to 255,936.30, 383,904.42 and 87,458.08

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Solution

The fourth proportional to 255,936.30, 383,904.42 and 87,458.08 is: 131,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,936.30 : 383,904.42 = 87,458.08 : x
  2. Step 2: Convert to fraction form
    255,936.30/383,904.42 = 87,458.08/x
  3. Step 3: Cross multiply
    255,936.30x = 383,904.42 × 87,458.08
  4. Step 4: Simplify right side
    255,936.30x = 33,575,542,516.95
  5. Step 5: Solve for x
    x = 33,575,542,516.95/255,936.30
  6. Step 6: Final answer
    x = 131,187.11

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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.