Home / 135,638.20-203,377.38-55,652.32

Finding the Fourth Proportional to 135,638.20, 203,377.38 and 55,652.32

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Solution

The fourth proportional to 135,638.20, 203,377.38 and 55,652.32 is: 83,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,638.20 : 203,377.38 = 55,652.32 : x
  2. Step 2: Convert to fraction form
    135,638.20/203,377.38 = 55,652.32/x
  3. Step 3: Cross multiply
    135,638.20x = 203,377.38 × 55,652.32
  4. Step 4: Simplify right side
    135,638.20x = 11,318,423,032.52
  5. Step 5: Solve for x
    x = 11,318,423,032.52/135,638.20
  6. Step 6: Final answer
    x = 83,445.69

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1.5x scale

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.