Home / 121,044.48-181,571.56-42,166.68

Finding the Fourth Proportional to 121,044.48, 181,571.56 and 42,166.68

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Solution

The fourth proportional to 121,044.48, 181,571.56 and 42,166.68 is: 63,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044.48 : 181,571.56 = 42,166.68 : x
  2. Step 2: Convert to fraction form
    121,044.48/181,571.56 = 42,166.68/x
  3. Step 3: Cross multiply
    121,044.48x = 181,571.56 × 42,166.68
  4. Step 4: Simplify right side
    121,044.48x = 7,656,269,867.62
  5. Step 5: Solve for x
    x = 7,656,269,867.62/121,044.48
  6. Step 6: Final answer
    x = 63,251.71

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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.