Home / 218,766.89-301,922.67-138,190.52

Finding the Fourth Proportional to 218,766.89, 301,922.67 and 138,190.52

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Solution

The fourth proportional to 218,766.89, 301,922.67 and 138,190.52 is: 190,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,766.89 : 301,922.67 = 138,190.52 : x
  2. Step 2: Convert to fraction form
    218,766.89/301,922.67 = 138,190.52/x
  3. Step 3: Cross multiply
    218,766.89x = 301,922.67 × 138,190.52
  4. Step 4: Simplify right side
    218,766.89x = 41,722,849,257.48
  5. Step 5: Solve for x
    x = 41,722,849,257.48/218,766.89
  6. Step 6: Final answer
    x = 190,718.30

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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.