Home / 181,217.40-250,071.92-108,660.35

Finding the Fourth Proportional to 181,217.40, 250,071.92 and 108,660.35

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Solution

The fourth proportional to 181,217.40, 250,071.92 and 108,660.35 is: 149,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,217.40 : 250,071.92 = 108,660.35 : x
  2. Step 2: Convert to fraction form
    181,217.40/250,071.92 = 108,660.35/x
  3. Step 3: Cross multiply
    181,217.40x = 250,071.92 × 108,660.35
  4. Step 4: Simplify right side
    181,217.40x = 27,172,901,102.01
  5. Step 5: Solve for x
    x = 27,172,901,102.01/181,217.40
  6. Step 6: Final answer
    x = 149,946.42

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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.