Home / 641,055.48-961,509.78-167,786.52

Finding the Fourth Proportional to 641,055.48, 961,509.78 and 167,786.52

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Solution

The fourth proportional to 641,055.48, 961,509.78 and 167,786.52 is: 251,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,055.48 : 961,509.78 = 167,786.52 : x
  2. Step 2: Convert to fraction form
    641,055.48/961,509.78 = 167,786.52/x
  3. Step 3: Cross multiply
    641,055.48x = 961,509.78 × 167,786.52
  4. Step 4: Simplify right side
    641,055.48x = 161,328,379,932.17
  5. Step 5: Solve for x
    x = 161,328,379,932.17/641,055.48
  6. Step 6: Final answer
    x = 251,660.56

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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.