Home / 169,926.86-254,890.27-80,910.49

Finding the Fourth Proportional to 169,926.86, 254,890.27 and 80,910.49

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Solution

The fourth proportional to 169,926.86, 254,890.27 and 80,910.49 is: 121,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,926.86 : 254,890.27 = 80,910.49 : x
  2. Step 2: Convert to fraction form
    169,926.86/254,890.27 = 80,910.49/x
  3. Step 3: Cross multiply
    169,926.86x = 254,890.27 × 80,910.49
  4. Step 4: Simplify right side
    169,926.86x = 20,623,295,802.43
  5. Step 5: Solve for x
    x = 20,623,295,802.43/169,926.86
  6. Step 6: Final answer
    x = 121,365.72

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1.5x scale

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.