Home / 203,552.28-280,896.73-117,508.35

Finding the Fourth Proportional to 203,552.28, 280,896.73 and 117,508.35

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Solution

The fourth proportional to 203,552.28, 280,896.73 and 117,508.35 is: 162,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,552.28 : 280,896.73 = 117,508.35 : x
  2. Step 2: Convert to fraction form
    203,552.28/280,896.73 = 117,508.35/x
  3. Step 3: Cross multiply
    203,552.28x = 280,896.73 × 117,508.35
  4. Step 4: Simplify right side
    203,552.28x = 33,007,712,022.29
  5. Step 5: Solve for x
    x = 33,007,712,022.29/203,552.28
  6. Step 6: Final answer
    x = 162,158.40

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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.