Home / 68,146.08-102,196.80-28,695.84

Finding the Fourth Proportional to 68,146.08, 102,196.80 and 28,695.84

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Solution

The fourth proportional to 68,146.08, 102,196.80 and 28,695.84 is: 43,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,146.08 : 102,196.80 = 28,695.84 : x
  2. Step 2: Convert to fraction form
    68,146.08/102,196.80 = 28,695.84/x
  3. Step 3: Cross multiply
    68,146.08x = 102,196.80 × 28,695.84
  4. Step 4: Simplify right side
    68,146.08x = 2,932,623,021.31
  5. Step 5: Solve for x
    x = 2,932,623,021.31/68,146.08
  6. Step 6: Final answer
    x = 43,034.36

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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.