Home / 167,660.37-251,486.91-78,864.66

Finding the Fourth Proportional to 167,660.37, 251,486.91 and 78,864.66

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Solution

The fourth proportional to 167,660.37, 251,486.91 and 78,864.66 is: 118,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,660.37 : 251,486.91 = 78,864.66 : x
  2. Step 2: Convert to fraction form
    167,660.37/251,486.91 = 78,864.66/x
  3. Step 3: Cross multiply
    167,660.37x = 251,486.91 × 78,864.66
  4. Step 4: Simplify right side
    167,660.37x = 19,833,429,651.60
  5. Step 5: Solve for x
    x = 19,833,429,651.60/167,660.37
  6. Step 6: Final answer
    x = 118,295.28

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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.