Home / 129,907.26-194,882.76-45,664.02

Finding the Fourth Proportional to 129,907.26, 194,882.76 and 45,664.02

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Solution

The fourth proportional to 129,907.26, 194,882.76 and 45,664.02 is: 68,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,907.26 : 194,882.76 = 45,664.02 : x
  2. Step 2: Convert to fraction form
    129,907.26/194,882.76 = 45,664.02/x
  3. Step 3: Cross multiply
    129,907.26x = 194,882.76 × 45,664.02
  4. Step 4: Simplify right side
    129,907.26x = 8,899,130,250.30
  5. Step 5: Solve for x
    x = 8,899,130,250.30/129,907.26
  6. Step 6: Final answer
    x = 68,503.72

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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.