Home / 203,015.25-280,096.62-118,115.91

Finding the Fourth Proportional to 203,015.25, 280,096.62 and 118,115.91

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Solution

The fourth proportional to 203,015.25, 280,096.62 and 118,115.91 is: 162,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,015.25 : 280,096.62 = 118,115.91 : x
  2. Step 2: Convert to fraction form
    203,015.25/280,096.62 = 118,115.91/x
  3. Step 3: Cross multiply
    203,015.25x = 280,096.62 × 118,115.91
  4. Step 4: Simplify right side
    203,015.25x = 33,083,867,159.22
  5. Step 5: Solve for x
    x = 33,083,867,159.22/203,015.25
  6. Step 6: Final answer
    x = 162,962.47

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1.5x scale

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.