Home / 129,879.06-194,818.59-106,259.46

Finding the Fourth Proportional to 129,879.06, 194,818.59 and 106,259.46

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Solution

The fourth proportional to 129,879.06, 194,818.59 and 106,259.46 is: 159,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,879.06 : 194,818.59 = 106,259.46 : x
  2. Step 2: Convert to fraction form
    129,879.06/194,818.59 = 106,259.46/x
  3. Step 3: Cross multiply
    129,879.06x = 194,818.59 × 106,259.46
  4. Step 4: Simplify right side
    129,879.06x = 20,701,318,171.36
  5. Step 5: Solve for x
    x = 20,701,318,171.36/129,879.06
  6. Step 6: Final answer
    x = 159,389.19

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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.