Home / 160,619.45-221,654.62-89,004.11

Finding the Fourth Proportional to 160,619.45, 221,654.62 and 89,004.11

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Solution

The fourth proportional to 160,619.45, 221,654.62 and 89,004.11 is: 122,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,619.45 : 221,654.62 = 89,004.11 : x
  2. Step 2: Convert to fraction form
    160,619.45/221,654.62 = 89,004.11/x
  3. Step 3: Cross multiply
    160,619.45x = 221,654.62 × 89,004.11
  4. Step 4: Simplify right side
    160,619.45x = 19,728,172,180.49
  5. Step 5: Solve for x
    x = 19,728,172,180.49/160,619.45
  6. Step 6: Final answer
    x = 122,825.55

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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.