Home / 123,026.10-184,539.15-121,989.30

Finding the Fourth Proportional to 123,026.10, 184,539.15 and 121,989.30

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Solution

The fourth proportional to 123,026.10, 184,539.15 and 121,989.30 is: 182,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,026.10 : 184,539.15 = 121,989.30 : x
  2. Step 2: Convert to fraction form
    123,026.10/184,539.15 = 121,989.30/x
  3. Step 3: Cross multiply
    123,026.10x = 184,539.15 × 121,989.30
  4. Step 4: Simplify right side
    123,026.10x = 22,511,801,731.10
  5. Step 5: Solve for x
    x = 22,511,801,731.10/123,026.10
  6. Step 6: Final answer
    x = 182,983.95

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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.