Home / 217,071.64-325,345-111,833.20

Finding the Fourth Proportional to 217,071.64, 325,345 and 111,833.20

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Solution

The fourth proportional to 217,071.64, 325,345 and 111,833.20 is: 167,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,071.64 : 325,345 = 111,833.20 : x
  2. Step 2: Convert to fraction form
    217,071.64/325,345 = 111,833.20/x
  3. Step 3: Cross multiply
    217,071.64x = 325,345 × 111,833.20
  4. Step 4: Simplify right side
    217,071.64x = 36,384,372,454
  5. Step 5: Solve for x
    x = 36,384,372,454/217,071.64
  6. Step 6: Final answer
    x = 167,614.58

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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.