Home / 135,827.60-203,760.82-42,340.64

Finding the Fourth Proportional to 135,827.60, 203,760.82 and 42,340.64

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Solution

The fourth proportional to 135,827.60, 203,760.82 and 42,340.64 is: 63,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,827.60 : 203,760.82 = 42,340.64 : x
  2. Step 2: Convert to fraction form
    135,827.60/203,760.82 = 42,340.64/x
  3. Step 3: Cross multiply
    135,827.60x = 203,760.82 × 42,340.64
  4. Step 4: Simplify right side
    135,827.60x = 8,627,363,525.72
  5. Step 5: Solve for x
    x = 8,627,363,525.72/135,827.60
  6. Step 6: Final answer
    x = 63,517.01

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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.