Home / 104,904.53-144,769.91-57,157.86

Finding the Fourth Proportional to 104,904.53, 144,769.91 and 57,157.86

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Solution

The fourth proportional to 104,904.53, 144,769.91 and 57,157.86 is: 78,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.53 : 144,769.91 = 57,157.86 : x
  2. Step 2: Convert to fraction form
    104,904.53/144,769.91 = 57,157.86/x
  3. Step 3: Cross multiply
    104,904.53x = 144,769.91 × 57,157.86
  4. Step 4: Simplify right side
    104,904.53x = 8,274,738,247.99
  5. Step 5: Solve for x
    x = 8,274,738,247.99/104,904.53
  6. Step 6: Final answer
    x = 78,878.75

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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.