Home / 123,144.60-184,440.11-74,982.76

Finding the Fourth Proportional to 123,144.60, 184,440.11 and 74,982.76

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Solution

The fourth proportional to 123,144.60, 184,440.11 and 74,982.76 is: 112,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,144.60 : 184,440.11 = 74,982.76 : x
  2. Step 2: Convert to fraction form
    123,144.60/184,440.11 = 74,982.76/x
  3. Step 3: Cross multiply
    123,144.60x = 184,440.11 × 74,982.76
  4. Step 4: Simplify right side
    123,144.60x = 13,829,828,703.97
  5. Step 5: Solve for x
    x = 13,829,828,703.97/123,144.60
  6. Step 6: Final answer
    x = 112,305.60

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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.