Home / 178,784.16-268,176-45,664.56

Finding the Fourth Proportional to 178,784.16, 268,176 and 45,664.56

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Solution

The fourth proportional to 178,784.16, 268,176 and 45,664.56 is: 68,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,784.16 : 268,176 = 45,664.56 : x
  2. Step 2: Convert to fraction form
    178,784.16/268,176 = 45,664.56/x
  3. Step 3: Cross multiply
    178,784.16x = 268,176 × 45,664.56
  4. Step 4: Simplify right side
    178,784.16x = 12,246,139,042.56
  5. Step 5: Solve for x
    x = 12,246,139,042.56/178,784.16
  6. Step 6: Final answer
    x = 68,496.78

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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.