Home / 129,822.30-194,733.45-73,640.70

Finding the Fourth Proportional to 129,822.30, 194,733.45 and 73,640.70

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Solution

The fourth proportional to 129,822.30, 194,733.45 and 73,640.70 is: 110,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822.30 : 194,733.45 = 73,640.70 : x
  2. Step 2: Convert to fraction form
    129,822.30/194,733.45 = 73,640.70/x
  3. Step 3: Cross multiply
    129,822.30x = 194,733.45 × 73,640.70
  4. Step 4: Simplify right side
    129,822.30x = 14,340,307,571.42
  5. Step 5: Solve for x
    x = 14,340,307,571.42/129,822.30
  6. Step 6: Final answer
    x = 110,461.05

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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.