Home / 160,388.45-221,327.27-91,467.79

Finding the Fourth Proportional to 160,388.45, 221,327.27 and 91,467.79

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Solution

The fourth proportional to 160,388.45, 221,327.27 and 91,467.79 is: 126,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,388.45 : 221,327.27 = 91,467.79 : x
  2. Step 2: Convert to fraction form
    160,388.45/221,327.27 = 91,467.79/x
  3. Step 3: Cross multiply
    160,388.45x = 221,327.27 × 91,467.79
  4. Step 4: Simplify right side
    160,388.45x = 20,244,316,830.95
  5. Step 5: Solve for x
    x = 20,244,316,830.95/160,388.45
  6. Step 6: Final answer
    x = 126,220.54

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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.