Home / 129,945.60-194,696.52-70,675.44

Finding the Fourth Proportional to 129,945.60, 194,696.52 and 70,675.44

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Solution

The fourth proportional to 129,945.60, 194,696.52 and 70,675.44 is: 105,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945.60 : 194,696.52 = 70,675.44 : x
  2. Step 2: Convert to fraction form
    129,945.60/194,696.52 = 70,675.44/x
  3. Step 3: Cross multiply
    129,945.60x = 194,696.52 × 70,675.44
  4. Step 4: Simplify right side
    129,945.60x = 13,760,262,217.47
  5. Step 5: Solve for x
    x = 13,760,262,217.47/129,945.60
  6. Step 6: Final answer
    x = 105,892.48

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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.