Home / 104,927.92-144,800.55-57,181.28

Finding the Fourth Proportional to 104,927.92, 144,800.55 and 57,181.28

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Solution

The fourth proportional to 104,927.92, 144,800.55 and 57,181.28 is: 78,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.92 : 144,800.55 = 57,181.28 : x
  2. Step 2: Convert to fraction form
    104,927.92/144,800.55 = 57,181.28/x
  3. Step 3: Cross multiply
    104,927.92x = 144,800.55 × 57,181.28
  4. Step 4: Simplify right side
    104,927.92x = 8,279,880,069.70
  5. Step 5: Solve for x
    x = 8,279,880,069.70/104,927.92
  6. Step 6: Final answer
    x = 78,910.17

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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.