Home / 254,221.20-381,331.80-104,363.10

Finding the Fourth Proportional to 254,221.20, 381,331.80 and 104,363.10

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Solution

The fourth proportional to 254,221.20, 381,331.80 and 104,363.10 is: 156,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,221.20 : 381,331.80 = 104,363.10 : x
  2. Step 2: Convert to fraction form
    254,221.20/381,331.80 = 104,363.10/x
  3. Step 3: Cross multiply
    254,221.20x = 381,331.80 × 104,363.10
  4. Step 4: Simplify right side
    254,221.20x = 39,796,968,776.58
  5. Step 5: Solve for x
    x = 39,796,968,776.58/254,221.20
  6. Step 6: Final answer
    x = 156,544.65

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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.