Home / 169,929.75-254,894.62-80,913.39

Finding the Fourth Proportional to 169,929.75, 254,894.62 and 80,913.39

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Solution

The fourth proportional to 169,929.75, 254,894.62 and 80,913.39 is: 121,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,929.75 : 254,894.62 = 80,913.39 : x
  2. Step 2: Convert to fraction form
    169,929.75/254,894.62 = 80,913.39/x
  3. Step 3: Cross multiply
    169,929.75x = 254,894.62 × 80,913.39
  4. Step 4: Simplify right side
    169,929.75x = 20,624,387,796.96
  5. Step 5: Solve for x
    x = 20,624,387,796.96/169,929.75
  6. Step 6: Final answer
    x = 121,370.08

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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.