Home / 178,737.42-268,105.91-45,617.69

Finding the Fourth Proportional to 178,737.42, 268,105.91 and 45,617.69

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Solution

The fourth proportional to 178,737.42, 268,105.91 and 45,617.69 is: 68,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.42 : 268,105.91 = 45,617.69 : x
  2. Step 2: Convert to fraction form
    178,737.42/268,105.91 = 45,617.69/x
  3. Step 3: Cross multiply
    178,737.42x = 268,105.91 × 45,617.69
  4. Step 4: Simplify right side
    178,737.42x = 12,230,370,720.93
  5. Step 5: Solve for x
    x = 12,230,370,720.93/178,737.42
  6. Step 6: Final answer
    x = 68,426.47

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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.