Home / 135,886.32-203,751-52,683.12

Finding the Fourth Proportional to 135,886.32, 203,751 and 52,683.12

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Solution

The fourth proportional to 135,886.32, 203,751 and 52,683.12 is: 78,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,886.32 : 203,751 = 52,683.12 : x
  2. Step 2: Convert to fraction form
    135,886.32/203,751 = 52,683.12/x
  3. Step 3: Cross multiply
    135,886.32x = 203,751 × 52,683.12
  4. Step 4: Simplify right side
    135,886.32x = 10,734,238,383.12
  5. Step 5: Solve for x
    x = 10,734,238,383.12/135,886.32
  6. Step 6: Final answer
    x = 78,994.25

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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.