Home / 178,067.49-245,723.79-97,479.57

Finding the Fourth Proportional to 178,067.49, 245,723.79 and 97,479.57

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Solution

The fourth proportional to 178,067.49, 245,723.79 and 97,479.57 is: 134,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,067.49 : 245,723.79 = 97,479.57 : x
  2. Step 2: Convert to fraction form
    178,067.49/245,723.79 = 97,479.57/x
  3. Step 3: Cross multiply
    178,067.49x = 245,723.79 × 97,479.57
  4. Step 4: Simplify right side
    178,067.49x = 23,953,049,387.97
  5. Step 5: Solve for x
    x = 23,953,049,387.97/178,067.49
  6. Step 6: Final answer
    x = 134,516.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.