Home / 102,027.28-140,796.66-56,705.44

Finding the Fourth Proportional to 102,027.28, 140,796.66 and 56,705.44

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Solution

The fourth proportional to 102,027.28, 140,796.66 and 56,705.44 is: 78,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.28 : 140,796.66 = 56,705.44 : x
  2. Step 2: Convert to fraction form
    102,027.28/140,796.66 = 56,705.44/x
  3. Step 3: Cross multiply
    102,027.28x = 140,796.66 × 56,705.44
  4. Step 4: Simplify right side
    102,027.28x = 7,983,936,555.83
  5. Step 5: Solve for x
    x = 7,983,936,555.83/102,027.28
  6. Step 6: Final answer
    x = 78,252.96

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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.