Home / 104,924.83-144,796.05-57,178.07

Finding the Fourth Proportional to 104,924.83, 144,796.05 and 57,178.07

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Solution

The fourth proportional to 104,924.83, 144,796.05 and 57,178.07 is: 78,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,924.83 : 144,796.05 = 57,178.07 : x
  2. Step 2: Convert to fraction form
    104,924.83/144,796.05 = 57,178.07/x
  3. Step 3: Cross multiply
    104,924.83x = 144,796.05 × 57,178.07
  4. Step 4: Simplify right side
    104,924.83x = 8,279,158,682.62
  5. Step 5: Solve for x
    x = 8,279,158,682.62/104,924.83
  6. Step 6: Final answer
    x = 78,905.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.