Home / 203,110.32-280,295.20-112,466.12

Finding the Fourth Proportional to 203,110.32, 280,295.20 and 112,466.12

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Solution

The fourth proportional to 203,110.32, 280,295.20 and 112,466.12 is: 155,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,110.32 : 280,295.20 = 112,466.12 : x
  2. Step 2: Convert to fraction form
    203,110.32/280,295.20 = 112,466.12/x
  3. Step 3: Cross multiply
    203,110.32x = 280,295.20 × 112,466.12
  4. Step 4: Simplify right side
    203,110.32x = 31,523,713,598.62
  5. Step 5: Solve for x
    x = 31,523,713,598.62/203,110.32
  6. Step 6: Final answer
    x = 155,204.88

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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.