Home / 102,951.36-154,377.72-50,299.20

Finding the Fourth Proportional to 102,951.36, 154,377.72 and 50,299.20

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Solution

The fourth proportional to 102,951.36, 154,377.72 and 50,299.20 is: 75,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,951.36 : 154,377.72 = 50,299.20 : x
  2. Step 2: Convert to fraction form
    102,951.36/154,377.72 = 50,299.20/x
  3. Step 3: Cross multiply
    102,951.36x = 154,377.72 × 50,299.20
  4. Step 4: Simplify right side
    102,951.36x = 7,765,075,813.82
  5. Step 5: Solve for x
    x = 7,765,075,813.82/102,951.36
  6. Step 6: Final answer
    x = 75,424.70

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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.