Home / 123,140.89-184,444.03-75,611.71

Finding the Fourth Proportional to 123,140.89, 184,444.03 and 75,611.71

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Solution

The fourth proportional to 123,140.89, 184,444.03 and 75,611.71 is: 113,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,140.89 : 184,444.03 = 75,611.71 : x
  2. Step 2: Convert to fraction form
    123,140.89/184,444.03 = 75,611.71/x
  3. Step 3: Cross multiply
    123,140.89x = 184,444.03 × 75,611.71
  4. Step 4: Simplify right side
    123,140.89x = 13,946,128,507.59
  5. Step 5: Solve for x
    x = 13,946,128,507.59/123,140.89
  6. Step 6: Final answer
    x = 113,253.43

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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.