Home / 68,208.76-102,177.06-54,192.52

Finding the Fourth Proportional to 68,208.76, 102,177.06 and 54,192.52

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Solution

The fourth proportional to 68,208.76, 102,177.06 and 54,192.52 is: 81,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208.76 : 102,177.06 = 54,192.52 : x
  2. Step 2: Convert to fraction form
    68,208.76/102,177.06 = 54,192.52/x
  3. Step 3: Cross multiply
    68,208.76x = 102,177.06 × 54,192.52
  4. Step 4: Simplify right side
    68,208.76x = 5,537,232,367.59
  5. Step 5: Solve for x
    x = 5,537,232,367.59/68,208.76
  6. Step 6: Final answer
    x = 81,180.66

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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.