Home / 104,904.06-144,765.78-57,157.80

Finding the Fourth Proportional to 104,904.06, 144,765.78 and 57,157.80

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Solution

The fourth proportional to 104,904.06, 144,765.78 and 57,157.80 is: 78,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.06 : 144,765.78 = 57,157.80 : x
  2. Step 2: Convert to fraction form
    104,904.06/144,765.78 = 57,157.80/x
  3. Step 3: Cross multiply
    104,904.06x = 144,765.78 × 57,157.80
  4. Step 4: Simplify right side
    104,904.06x = 8,274,493,500.08
  5. Step 5: Solve for x
    x = 8,274,493,500.08/104,904.06
  6. Step 6: Final answer
    x = 78,876.77

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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.