Home / 179,821.52-247,959.24-122,498

Finding the Fourth Proportional to 179,821.52, 247,959.24 and 122,498

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Solution

The fourth proportional to 179,821.52, 247,959.24 and 122,498 is: 168,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,821.52 : 247,959.24 = 122,498 : x
  2. Step 2: Convert to fraction form
    179,821.52/247,959.24 = 122,498/x
  3. Step 3: Cross multiply
    179,821.52x = 247,959.24 × 122,498
  4. Step 4: Simplify right side
    179,821.52x = 30,374,510,981.52
  5. Step 5: Solve for x
    x = 30,374,510,981.52/179,821.52
  6. Step 6: Final answer
    x = 168,914.77

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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.