Home / 102,212.96-153,327.12-27,331.44

Finding the Fourth Proportional to 102,212.96, 153,327.12 and 27,331.44

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Solution

The fourth proportional to 102,212.96, 153,327.12 and 27,331.44 is: 40,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.96 : 153,327.12 = 27,331.44 : x
  2. Step 2: Convert to fraction form
    102,212.96/153,327.12 = 27,331.44/x
  3. Step 3: Cross multiply
    102,212.96x = 153,327.12 × 27,331.44
  4. Step 4: Simplify right side
    102,212.96x = 4,190,650,980.65
  5. Step 5: Solve for x
    x = 4,190,650,980.65/102,212.96
  6. Step 6: Final answer
    x = 40,999.21

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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.