Home / 193,071.08-266,445.30-108,185

Finding the Fourth Proportional to 193,071.08, 266,445.30 and 108,185

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Solution

The fourth proportional to 193,071.08, 266,445.30 and 108,185 is: 149,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,071.08 : 266,445.30 = 108,185 : x
  2. Step 2: Convert to fraction form
    193,071.08/266,445.30 = 108,185/x
  3. Step 3: Cross multiply
    193,071.08x = 266,445.30 × 108,185
  4. Step 4: Simplify right side
    193,071.08x = 28,825,384,780.50
  5. Step 5: Solve for x
    x = 28,825,384,780.50/193,071.08
  6. Step 6: Final answer
    x = 149,299.34

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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.