Home / 178,900.19-268,350.06-45,780.49

Finding the Fourth Proportional to 178,900.19, 268,350.06 and 45,780.49

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Solution

The fourth proportional to 178,900.19, 268,350.06 and 45,780.49 is: 68,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,900.19 : 268,350.06 = 45,780.49 : x
  2. Step 2: Convert to fraction form
    178,900.19/268,350.06 = 45,780.49/x
  3. Step 3: Cross multiply
    178,900.19x = 268,350.06 × 45,780.49
  4. Step 4: Simplify right side
    178,900.19x = 12,285,197,745.44
  5. Step 5: Solve for x
    x = 12,285,197,745.44/178,900.19
  6. Step 6: Final answer
    x = 68,670.68

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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.