Home / 135,725.10-203,667.03-56,832.72

Finding the Fourth Proportional to 135,725.10, 203,667.03 and 56,832.72

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Solution

The fourth proportional to 135,725.10, 203,667.03 and 56,832.72 is: 85,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.10 : 203,667.03 = 56,832.72 : x
  2. Step 2: Convert to fraction form
    135,725.10/203,667.03 = 56,832.72/x
  3. Step 3: Cross multiply
    135,725.10x = 203,667.03 × 56,832.72
  4. Step 4: Simplify right side
    135,725.10x = 11,574,951,289.22
  5. Step 5: Solve for x
    x = 11,574,951,289.22/135,725.10
  6. Step 6: Final answer
    x = 85,282.32

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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.