Home / 144,799.20-217,198.80-122,929.20

Finding the Fourth Proportional to 144,799.20, 217,198.80 and 122,929.20

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Solution

The fourth proportional to 144,799.20, 217,198.80 and 122,929.20 is: 184,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,799.20 : 217,198.80 = 122,929.20 : x
  2. Step 2: Convert to fraction form
    144,799.20/217,198.80 = 122,929.20/x
  3. Step 3: Cross multiply
    144,799.20x = 217,198.80 × 122,929.20
  4. Step 4: Simplify right side
    144,799.20x = 26,700,074,724.96
  5. Step 5: Solve for x
    x = 26,700,074,724.96/144,799.20
  6. Step 6: Final answer
    x = 184,393.80

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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.