Home / 123,226.20-184,985.10-122,351.40

Finding the Fourth Proportional to 123,226.20, 184,985.10 and 122,351.40

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Solution

The fourth proportional to 123,226.20, 184,985.10 and 122,351.40 is: 183,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,226.20 : 184,985.10 = 122,351.40 : x
  2. Step 2: Convert to fraction form
    123,226.20/184,985.10 = 122,351.40/x
  3. Step 3: Cross multiply
    123,226.20x = 184,985.10 × 122,351.40
  4. Step 4: Simplify right side
    123,226.20x = 22,633,185,964.14
  5. Step 5: Solve for x
    x = 22,633,185,964.14/123,226.20
  6. Step 6: Final answer
    x = 183,671.86

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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.