Home / 159,552.46-220,179.06-87,930.64

Finding the Fourth Proportional to 159,552.46, 220,179.06 and 87,930.64

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Solution

The fourth proportional to 159,552.46, 220,179.06 and 87,930.64 is: 121,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,552.46 : 220,179.06 = 87,930.64 : x
  2. Step 2: Convert to fraction form
    159,552.46/220,179.06 = 87,930.64/x
  3. Step 3: Cross multiply
    159,552.46x = 220,179.06 × 87,930.64
  4. Step 4: Simplify right side
    159,552.46x = 19,360,485,660.40
  5. Step 5: Solve for x
    x = 19,360,485,660.40/159,552.46
  6. Step 6: Final answer
    x = 121,342.45

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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.