Home / 203,060.18-280,251.78-118,204.58

Finding the Fourth Proportional to 203,060.18, 280,251.78 and 118,204.58

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Solution

The fourth proportional to 203,060.18, 280,251.78 and 118,204.58 is: 163,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,060.18 : 280,251.78 = 118,204.58 : x
  2. Step 2: Convert to fraction form
    203,060.18/280,251.78 = 118,204.58/x
  3. Step 3: Cross multiply
    203,060.18x = 280,251.78 × 118,204.58
  4. Step 4: Simplify right side
    203,060.18x = 33,127,043,949.15
  5. Step 5: Solve for x
    x = 33,127,043,949.15/203,060.18
  6. Step 6: Final answer
    x = 163,139.05

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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.