Home / 171,265.14-236,571.78-131,470.65

Finding the Fourth Proportional to 171,265.14, 236,571.78 and 131,470.65

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Solution

The fourth proportional to 171,265.14, 236,571.78 and 131,470.65 is: 181,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,265.14 : 236,571.78 = 131,470.65 : x
  2. Step 2: Convert to fraction form
    171,265.14/236,571.78 = 131,470.65/x
  3. Step 3: Cross multiply
    171,265.14x = 236,571.78 × 131,470.65
  4. Step 4: Simplify right side
    171,265.14x = 31,102,245,688.26
  5. Step 5: Solve for x
    x = 31,102,245,688.26/171,265.14
  6. Step 6: Final answer
    x = 181,602.90

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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.