Home / 132,968.16-199,393.80-49,803.84

Finding the Fourth Proportional to 132,968.16, 199,393.80 and 49,803.84

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Solution

The fourth proportional to 132,968.16, 199,393.80 and 49,803.84 is: 74,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.16 : 199,393.80 = 49,803.84 : x
  2. Step 2: Convert to fraction form
    132,968.16/199,393.80 = 49,803.84/x
  3. Step 3: Cross multiply
    132,968.16x = 199,393.80 × 49,803.84
  4. Step 4: Simplify right side
    132,968.16x = 9,930,576,912.19
  5. Step 5: Solve for x
    x = 9,930,576,912.19/132,968.16
  6. Step 6: Final answer
    x = 74,683.87

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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.