Home / 134,669.70-202,004.55-45,915.30

Finding the Fourth Proportional to 134,669.70, 202,004.55 and 45,915.30

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Solution

The fourth proportional to 134,669.70, 202,004.55 and 45,915.30 is: 68,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,669.70 : 202,004.55 = 45,915.30 : x
  2. Step 2: Convert to fraction form
    134,669.70/202,004.55 = 45,915.30/x
  3. Step 3: Cross multiply
    134,669.70x = 202,004.55 × 45,915.30
  4. Step 4: Simplify right side
    134,669.70x = 9,275,099,514.62
  5. Step 5: Solve for x
    x = 9,275,099,514.62/134,669.70
  6. Step 6: Final answer
    x = 68,872.95

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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.