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Finding the Fourth Proportional to 164,751.16, 227,380.89 and 104,327.32

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Solution

The fourth proportional to 164,751.16, 227,380.89 and 104,327.32 is: 143,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,751.16 : 227,380.89 = 104,327.32 : x
  2. Step 2: Convert to fraction form
    164,751.16/227,380.89 = 104,327.32/x
  3. Step 3: Cross multiply
    164,751.16x = 227,380.89 × 104,327.32
  4. Step 4: Simplify right side
    164,751.16x = 23,722,038,872.91
  5. Step 5: Solve for x
    x = 23,722,038,872.91/164,751.16
  6. Step 6: Final answer
    x = 143,987.08

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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.