Home / 133,640.47-184,353.93-82,636.90

Finding the Fourth Proportional to 133,640.47, 184,353.93 and 82,636.90

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Solution

The fourth proportional to 133,640.47, 184,353.93 and 82,636.90 is: 113,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.47 : 184,353.93 = 82,636.90 : x
  2. Step 2: Convert to fraction form
    133,640.47/184,353.93 = 82,636.90/x
  3. Step 3: Cross multiply
    133,640.47x = 184,353.93 × 82,636.90
  4. Step 4: Simplify right side
    133,640.47x = 15,234,437,278.02
  5. Step 5: Solve for x
    x = 15,234,437,278.02/133,640.47
  6. Step 6: Final answer
    x = 113,995.69

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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.