Home / 217,264.07-325,913.83-109,137.82

Finding the Fourth Proportional to 217,264.07, 325,913.83 and 109,137.82

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Solution

The fourth proportional to 217,264.07, 325,913.83 and 109,137.82 is: 163,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,264.07 : 325,913.83 = 109,137.82 : x
  2. Step 2: Convert to fraction form
    217,264.07/325,913.83 = 109,137.82/x
  3. Step 3: Cross multiply
    217,264.07x = 325,913.83 × 109,137.82
  4. Step 4: Simplify right side
    217,264.07x = 35,569,525,355.72
  5. Step 5: Solve for x
    x = 35,569,525,355.72/217,264.07
  6. Step 6: Final answer
    x = 163,715.64

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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.