Home / 255,826.69-383,819.96-87,351.01

Finding the Fourth Proportional to 255,826.69, 383,819.96 and 87,351.01

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Solution

The fourth proportional to 255,826.69, 383,819.96 and 87,351.01 is: 131,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,826.69 : 383,819.96 = 87,351.01 : x
  2. Step 2: Convert to fraction form
    255,826.69/383,819.96 = 87,351.01/x
  3. Step 3: Cross multiply
    255,826.69x = 383,819.96 × 87,351.01
  4. Step 4: Simplify right side
    255,826.69x = 33,527,060,727.40
  5. Step 5: Solve for x
    x = 33,527,060,727.40/255,826.69
  6. Step 6: Final answer
    x = 131,053.80

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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.