Home / 129,826.77-194,800.43-49,838.12

Finding the Fourth Proportional to 129,826.77, 194,800.43 and 49,838.12

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Solution

The fourth proportional to 129,826.77, 194,800.43 and 49,838.12 is: 74,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,826.77 : 194,800.43 = 49,838.12 : x
  2. Step 2: Convert to fraction form
    129,826.77/194,800.43 = 49,838.12/x
  3. Step 3: Cross multiply
    129,826.77x = 194,800.43 × 49,838.12
  4. Step 4: Simplify right side
    129,826.77x = 9,708,487,817.99
  5. Step 5: Solve for x
    x = 9,708,487,817.99/129,826.77
  6. Step 6: Final answer
    x = 74,780.32

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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.