Home / 177,786.76-245,327.16-106,157.20

Finding the Fourth Proportional to 177,786.76, 245,327.16 and 106,157.20

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Solution

The fourth proportional to 177,786.76, 245,327.16 and 106,157.20 is: 146,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,786.76 : 245,327.16 = 106,157.20 : x
  2. Step 2: Convert to fraction form
    177,786.76/245,327.16 = 106,157.20/x
  3. Step 3: Cross multiply
    177,786.76x = 245,327.16 × 106,157.20
  4. Step 4: Simplify right side
    177,786.76x = 26,043,244,389.55
  5. Step 5: Solve for x
    x = 26,043,244,389.55/177,786.76
  6. Step 6: Final answer
    x = 146,485.85

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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.