Home / 176,586.72-243,727.68-108,661.44

Finding the Fourth Proportional to 176,586.72, 243,727.68 and 108,661.44

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Solution

The fourth proportional to 176,586.72, 243,727.68 and 108,661.44 is: 149,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,586.72 : 243,727.68 = 108,661.44 : x
  2. Step 2: Convert to fraction form
    176,586.72/243,727.68 = 108,661.44/x
  3. Step 3: Cross multiply
    176,586.72x = 243,727.68 × 108,661.44
  4. Step 4: Simplify right side
    176,586.72x = 26,483,800,676.66
  5. Step 5: Solve for x
    x = 26,483,800,676.66/176,586.72
  6. Step 6: Final answer
    x = 149,976.17

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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.