Home / 179,820.52-247,957.86-122,497

Finding the Fourth Proportional to 179,820.52, 247,957.86 and 122,497

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Solution

The fourth proportional to 179,820.52, 247,957.86 and 122,497 is: 168,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,820.52 : 247,957.86 = 122,497 : x
  2. Step 2: Convert to fraction form
    179,820.52/247,957.86 = 122,497/x
  3. Step 3: Cross multiply
    179,820.52x = 247,957.86 × 122,497
  4. Step 4: Simplify right side
    179,820.52x = 30,374,093,976.42
  5. Step 5: Solve for x
    x = 30,374,093,976.42/179,820.52
  6. Step 6: Final answer
    x = 168,913.39

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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.