Home / 129,621.48-194,425.74-50,750.16

Finding the Fourth Proportional to 129,621.48, 194,425.74 and 50,750.16

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Solution

The fourth proportional to 129,621.48, 194,425.74 and 50,750.16 is: 76,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,621.48 : 194,425.74 = 50,750.16 : x
  2. Step 2: Convert to fraction form
    129,621.48/194,425.74 = 50,750.16/x
  3. Step 3: Cross multiply
    129,621.48x = 194,425.74 × 50,750.16
  4. Step 4: Simplify right side
    129,621.48x = 9,867,137,413.12
  5. Step 5: Solve for x
    x = 9,867,137,413.12/129,621.48
  6. Step 6: Final answer
    x = 76,122.70

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1.5x scale

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.