Home / 160,185.60-221,052.24-88,563.78

Finding the Fourth Proportional to 160,185.60, 221,052.24 and 88,563.78

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Solution

The fourth proportional to 160,185.60, 221,052.24 and 88,563.78 is: 122,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,185.60 : 221,052.24 = 88,563.78 : x
  2. Step 2: Convert to fraction form
    160,185.60/221,052.24 = 88,563.78/x
  3. Step 3: Cross multiply
    160,185.60x = 221,052.24 × 88,563.78
  4. Step 4: Simplify right side
    160,185.60x = 19,577,221,951.87
  5. Step 5: Solve for x
    x = 19,577,221,951.87/160,185.60
  6. Step 6: Final answer
    x = 122,215.87

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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.