Home / 104,842.35-157,427.55-79,910.55

Finding the Fourth Proportional to 104,842.35, 157,427.55 and 79,910.55

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Solution

The fourth proportional to 104,842.35, 157,427.55 and 79,910.55 is: 119,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,842.35 : 157,427.55 = 79,910.55 : x
  2. Step 2: Convert to fraction form
    104,842.35/157,427.55 = 79,910.55/x
  3. Step 3: Cross multiply
    104,842.35x = 157,427.55 × 79,910.55
  4. Step 4: Simplify right side
    104,842.35x = 12,580,122,105.65
  5. Step 5: Solve for x
    x = 12,580,122,105.65/104,842.35
  6. Step 6: Final answer
    x = 119,990.84

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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.