Home / 178,613.94-268,990.13-162,670.71

Finding the Fourth Proportional to 178,613.94, 268,990.13 and 162,670.71

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Solution

The fourth proportional to 178,613.94, 268,990.13 and 162,670.71 is: 244,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,613.94 : 268,990.13 = 162,670.71 : x
  2. Step 2: Convert to fraction form
    178,613.94/268,990.13 = 162,670.71/x
  3. Step 3: Cross multiply
    178,613.94x = 268,990.13 × 162,670.71
  4. Step 4: Simplify right side
    178,613.94x = 43,756,816,009.70
  5. Step 5: Solve for x
    x = 43,756,816,009.70/178,613.94
  6. Step 6: Final answer
    x = 244,979.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.