Home / 141,283.45-194,974.77-77,622.85

Finding the Fourth Proportional to 141,283.45, 194,974.77 and 77,622.85

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Solution

The fourth proportional to 141,283.45, 194,974.77 and 77,622.85 is: 107,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,283.45 : 194,974.77 = 77,622.85 : x
  2. Step 2: Convert to fraction form
    141,283.45/194,974.77 = 77,622.85/x
  3. Step 3: Cross multiply
    141,283.45x = 194,974.77 × 77,622.85
  4. Step 4: Simplify right side
    141,283.45x = 15,134,497,325.49
  5. Step 5: Solve for x
    x = 15,134,497,325.49/141,283.45
  6. Step 6: Final answer
    x = 107,121.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.