Home / 219,787.04-303,289.88-122,978.04

Finding the Fourth Proportional to 219,787.04, 303,289.88 and 122,978.04

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Solution

The fourth proportional to 219,787.04, 303,289.88 and 122,978.04 is: 169,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,787.04 : 303,289.88 = 122,978.04 : x
  2. Step 2: Convert to fraction form
    219,787.04/303,289.88 = 122,978.04/x
  3. Step 3: Cross multiply
    219,787.04x = 303,289.88 × 122,978.04
  4. Step 4: Simplify right side
    219,787.04x = 37,297,994,379.35
  5. Step 5: Solve for x
    x = 37,297,994,379.35/219,787.04
  6. Step 6: Final answer
    x = 169,700.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.