Home / 215,964.10-323,946.15-103,625.20

Finding the Fourth Proportional to 215,964.10, 323,946.15 and 103,625.20

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Solution

The fourth proportional to 215,964.10, 323,946.15 and 103,625.20 is: 155,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.10 : 323,946.15 = 103,625.20 : x
  2. Step 2: Convert to fraction form
    215,964.10/323,946.15 = 103,625.20/x
  3. Step 3: Cross multiply
    215,964.10x = 323,946.15 × 103,625.20
  4. Step 4: Simplify right side
    215,964.10x = 33,568,984,582.98
  5. Step 5: Solve for x
    x = 33,568,984,582.98/215,964.10
  6. Step 6: Final answer
    x = 155,437.80

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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.