Home / 129,804.24-194,766.36-50,939.40

Finding the Fourth Proportional to 129,804.24, 194,766.36 and 50,939.40

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Solution

The fourth proportional to 129,804.24, 194,766.36 and 50,939.40 is: 76,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,804.24 : 194,766.36 = 50,939.40 : x
  2. Step 2: Convert to fraction form
    129,804.24/194,766.36 = 50,939.40/x
  3. Step 3: Cross multiply
    129,804.24x = 194,766.36 × 50,939.40
  4. Step 4: Simplify right side
    129,804.24x = 9,921,281,518.58
  5. Step 5: Solve for x
    x = 9,921,281,518.58/129,804.24
  6. Step 6: Final answer
    x = 76,432.65

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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.