Home / 203,824.40-305,736.60-56,080.40

Finding the Fourth Proportional to 203,824.40, 305,736.60 and 56,080.40

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Solution

The fourth proportional to 203,824.40, 305,736.60 and 56,080.40 is: 84,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,824.40 : 305,736.60 = 56,080.40 : x
  2. Step 2: Convert to fraction form
    203,824.40/305,736.60 = 56,080.40/x
  3. Step 3: Cross multiply
    203,824.40x = 305,736.60 × 56,080.40
  4. Step 4: Simplify right side
    203,824.40x = 17,145,830,822.64
  5. Step 5: Solve for x
    x = 17,145,830,822.64/203,824.40
  6. Step 6: Final answer
    x = 84,120.60

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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.