Home / 254,087.10-381,376.83-135,841.62

Finding the Fourth Proportional to 254,087.10, 381,376.83 and 135,841.62

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Solution

The fourth proportional to 254,087.10, 381,376.83 and 135,841.62 is: 203,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,087.10 : 381,376.83 = 135,841.62 : x
  2. Step 2: Convert to fraction form
    254,087.10/381,376.83 = 135,841.62/x
  3. Step 3: Cross multiply
    254,087.10x = 381,376.83 × 135,841.62
  4. Step 4: Simplify right side
    254,087.10x = 51,806,846,417.66
  5. Step 5: Solve for x
    x = 51,806,846,417.66/254,087.10
  6. Step 6: Final answer
    x = 203,894.04

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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.