Home / 171,641.90-236,873.94-107,149.34

Finding the Fourth Proportional to 171,641.90, 236,873.94 and 107,149.34

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Solution

The fourth proportional to 171,641.90, 236,873.94 and 107,149.34 is: 147,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,641.90 : 236,873.94 = 107,149.34 : x
  2. Step 2: Convert to fraction form
    171,641.90/236,873.94 = 107,149.34/x
  3. Step 3: Cross multiply
    171,641.90x = 236,873.94 × 107,149.34
  4. Step 4: Simplify right side
    171,641.90x = 25,380,886,334.20
  5. Step 5: Solve for x
    x = 25,380,886,334.20/171,641.90
  6. Step 6: Final answer
    x = 147,871.16

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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.