Home / 182,138.20-273,207.30-103,406.20

Finding the Fourth Proportional to 182,138.20, 273,207.30 and 103,406.20

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Solution

The fourth proportional to 182,138.20, 273,207.30 and 103,406.20 is: 155,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,138.20 : 273,207.30 = 103,406.20 : x
  2. Step 2: Convert to fraction form
    182,138.20/273,207.30 = 103,406.20/x
  3. Step 3: Cross multiply
    182,138.20x = 273,207.30 × 103,406.20
  4. Step 4: Simplify right side
    182,138.20x = 28,251,328,705.26
  5. Step 5: Solve for x
    x = 28,251,328,705.26/182,138.20
  6. Step 6: Final answer
    x = 155,109.30

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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.