Home / 373,539.20-559,968.60-136,824.80

Finding the Fourth Proportional to 373,539.20, 559,968.60 and 136,824.80

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Solution

The fourth proportional to 373,539.20, 559,968.60 and 136,824.80 is: 205,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,539.20 : 559,968.60 = 136,824.80 : x
  2. Step 2: Convert to fraction form
    373,539.20/559,968.60 = 136,824.80/x
  3. Step 3: Cross multiply
    373,539.20x = 559,968.60 × 136,824.80
  4. Step 4: Simplify right side
    373,539.20x = 76,617,591,701.28
  5. Step 5: Solve for x
    x = 76,617,591,701.28/373,539.20
  6. Step 6: Final answer
    x = 205,112.59

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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.