Home / 135,805.39-203,520.47-51,476.04

Finding the Fourth Proportional to 135,805.39, 203,520.47 and 51,476.04

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Solution

The fourth proportional to 135,805.39, 203,520.47 and 51,476.04 is: 77,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,805.39 : 203,520.47 = 51,476.04 : x
  2. Step 2: Convert to fraction form
    135,805.39/203,520.47 = 51,476.04/x
  3. Step 3: Cross multiply
    135,805.39x = 203,520.47 × 51,476.04
  4. Step 4: Simplify right side
    135,805.39x = 10,476,427,597.16
  5. Step 5: Solve for x
    x = 10,476,427,597.16/135,805.39
  6. Step 6: Final answer
    x = 77,142.95

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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.