Home / 165,516.50-248,275.38-40,857.50

Finding the Fourth Proportional to 165,516.50, 248,275.38 and 40,857.50

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Solution

The fourth proportional to 165,516.50, 248,275.38 and 40,857.50 is: 61,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,516.50 : 248,275.38 = 40,857.50 : x
  2. Step 2: Convert to fraction form
    165,516.50/248,275.38 = 40,857.50/x
  3. Step 3: Cross multiply
    165,516.50x = 248,275.38 × 40,857.50
  4. Step 4: Simplify right side
    165,516.50x = 10,143,911,338.35
  5. Step 5: Solve for x
    x = 10,143,911,338.35/165,516.50
  6. Step 6: Final answer
    x = 61,286.41

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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.