Home / 122,860.12-184,290.06-38,619.88

Finding the Fourth Proportional to 122,860.12, 184,290.06 and 38,619.88

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Solution

The fourth proportional to 122,860.12, 184,290.06 and 38,619.88 is: 57,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,860.12 : 184,290.06 = 38,619.88 : x
  2. Step 2: Convert to fraction form
    122,860.12/184,290.06 = 38,619.88/x
  3. Step 3: Cross multiply
    122,860.12x = 184,290.06 × 38,619.88
  4. Step 4: Simplify right side
    122,860.12x = 7,117,260,002.39
  5. Step 5: Solve for x
    x = 7,117,260,002.39/122,860.12
  6. Step 6: Final answer
    x = 57,929.78

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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.