Home / 123,474.36-184,684.08-103,087.20

Finding the Fourth Proportional to 123,474.36, 184,684.08 and 103,087.20

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Solution

The fourth proportional to 123,474.36, 184,684.08 and 103,087.20 is: 154,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,474.36 : 184,684.08 = 103,087.20 : x
  2. Step 2: Convert to fraction form
    123,474.36/184,684.08 = 103,087.20/x
  3. Step 3: Cross multiply
    123,474.36x = 184,684.08 × 103,087.20
  4. Step 4: Simplify right side
    123,474.36x = 19,038,564,691.78
  5. Step 5: Solve for x
    x = 19,038,564,691.78/123,474.36
  6. Step 6: Final answer
    x = 154,190.43

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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.