Home / 104,423.20-156,548.40-55,175.20

Finding the Fourth Proportional to 104,423.20, 156,548.40 and 55,175.20

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Solution

The fourth proportional to 104,423.20, 156,548.40 and 55,175.20 is: 82,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.20 : 156,548.40 = 55,175.20 : x
  2. Step 2: Convert to fraction form
    104,423.20/156,548.40 = 55,175.20/x
  3. Step 3: Cross multiply
    104,423.20x = 156,548.40 × 55,175.20
  4. Step 4: Simplify right side
    104,423.20x = 8,637,589,279.68
  5. Step 5: Solve for x
    x = 8,637,589,279.68/104,423.20
  6. Step 6: Final answer
    x = 82,717.15

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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.