Home / 160.12-220.50-152.44

Finding the Fourth Proportional to 160.12, 220.50 and 152.44

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Solution

The fourth proportional to 160.12, 220.50 and 152.44 is: 209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.12 : 220.50 = 152.44 : x
  2. Step 2: Convert to fraction form
    160.12/220.50 = 152.44/x
  3. Step 3: Cross multiply
    160.12x = 220.50 × 152.44
  4. Step 4: Simplify right side
    160.12x = 33,613.02
  5. Step 5: Solve for x
    x = 33,613.02/160.12
  6. Step 6: Final answer
    x = 209.92

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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.