Home / 178,739.25-268,108.73-45,619.53

Finding the Fourth Proportional to 178,739.25, 268,108.73 and 45,619.53

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Solution

The fourth proportional to 178,739.25, 268,108.73 and 45,619.53 is: 68,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,739.25 : 268,108.73 = 45,619.53 : x
  2. Step 2: Convert to fraction form
    178,739.25/268,108.73 = 45,619.53/x
  3. Step 3: Cross multiply
    178,739.25x = 268,108.73 × 45,619.53
  4. Step 4: Simplify right side
    178,739.25x = 12,230,994,251.50
  5. Step 5: Solve for x
    x = 12,230,994,251.50/178,739.25
  6. Step 6: Final answer
    x = 68,429.26

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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.