Home / 123,148.60-184,446.10-74,986.76

Finding the Fourth Proportional to 123,148.60, 184,446.10 and 74,986.76

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Solution

The fourth proportional to 123,148.60, 184,446.10 and 74,986.76 is: 112,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,148.60 : 184,446.10 = 74,986.76 : x
  2. Step 2: Convert to fraction form
    123,148.60/184,446.10 = 74,986.76/x
  3. Step 3: Cross multiply
    123,148.60x = 184,446.10 × 74,986.76
  4. Step 4: Simplify right side
    123,148.60x = 13,831,015,433.64
  5. Step 5: Solve for x
    x = 13,831,015,433.64/123,148.60
  6. Step 6: Final answer
    x = 112,311.59

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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.