Home / 254,090.32-381,363.92-135,862.72

Finding the Fourth Proportional to 254,090.32, 381,363.92 and 135,862.72

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Solution

The fourth proportional to 254,090.32, 381,363.92 and 135,862.72 is: 203,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,090.32 : 381,363.92 = 135,862.72 : x
  2. Step 2: Convert to fraction form
    254,090.32/381,363.92 = 135,862.72/x
  3. Step 3: Cross multiply
    254,090.32x = 381,363.92 × 135,862.72
  4. Step 4: Simplify right side
    254,090.32x = 51,813,139,481.06
  5. Step 5: Solve for x
    x = 51,813,139,481.06/254,090.32
  6. Step 6: Final answer
    x = 203,916.23

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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.