Home / 133,639.47-184,352.55-82,635.90

Finding the Fourth Proportional to 133,639.47, 184,352.55 and 82,635.90

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Solution

The fourth proportional to 133,639.47, 184,352.55 and 82,635.90 is: 113,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.47 : 184,352.55 = 82,635.90 : x
  2. Step 2: Convert to fraction form
    133,639.47/184,352.55 = 82,635.90/x
  3. Step 3: Cross multiply
    133,639.47x = 184,352.55 × 82,635.90
  4. Step 4: Simplify right side
    133,639.47x = 15,234,138,886.55
  5. Step 5: Solve for x
    x = 15,234,138,886.55/133,639.47
  6. Step 6: Final answer
    x = 113,994.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.