Home / 255,329.50-383,169.24-89,117.50

Finding the Fourth Proportional to 255,329.50, 383,169.24 and 89,117.50

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Solution

The fourth proportional to 255,329.50, 383,169.24 and 89,117.50 is: 133,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,329.50 : 383,169.24 = 89,117.50 : x
  2. Step 2: Convert to fraction form
    255,329.50/383,169.24 = 89,117.50/x
  3. Step 3: Cross multiply
    255,329.50x = 383,169.24 × 89,117.50
  4. Step 4: Simplify right side
    255,329.50x = 34,147,084,745.70
  5. Step 5: Solve for x
    x = 34,147,084,745.70/255,329.50
  6. Step 6: Final answer
    x = 133,737.33

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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.