Home / 118,982.75-164,196.20-68,681.75

Finding the Fourth Proportional to 118,982.75, 164,196.20 and 68,681.75

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Solution

The fourth proportional to 118,982.75, 164,196.20 and 68,681.75 is: 94,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,982.75 : 164,196.20 = 68,681.75 : x
  2. Step 2: Convert to fraction form
    118,982.75/164,196.20 = 68,681.75/x
  3. Step 3: Cross multiply
    118,982.75x = 164,196.20 × 68,681.75
  4. Step 4: Simplify right side
    118,982.75x = 11,277,282,359.35
  5. Step 5: Solve for x
    x = 11,277,282,359.35/118,982.75
  6. Step 6: Final answer
    x = 94,780.82

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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.