Home / 135,972.72-203,937.96-69,462

Finding the Fourth Proportional to 135,972.72, 203,937.96 and 69,462

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Solution

The fourth proportional to 135,972.72, 203,937.96 and 69,462 is: 104,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,972.72 : 203,937.96 = 69,462 : x
  2. Step 2: Convert to fraction form
    135,972.72/203,937.96 = 69,462/x
  3. Step 3: Cross multiply
    135,972.72x = 203,937.96 × 69,462
  4. Step 4: Simplify right side
    135,972.72x = 14,165,938,577.52
  5. Step 5: Solve for x
    x = 14,165,938,577.52/135,972.72
  6. Step 6: Final answer
    x = 104,182.21

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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.