Home / 170,209.45-234,990.36-151,291.90

Finding the Fourth Proportional to 170,209.45, 234,990.36 and 151,291.90

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Solution

The fourth proportional to 170,209.45, 234,990.36 and 151,291.90 is: 208,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,209.45 : 234,990.36 = 151,291.90 : x
  2. Step 2: Convert to fraction form
    170,209.45/234,990.36 = 151,291.90/x
  3. Step 3: Cross multiply
    170,209.45x = 234,990.36 × 151,291.90
  4. Step 4: Simplify right side
    170,209.45x = 35,552,138,046.08
  5. Step 5: Solve for x
    x = 35,552,138,046.08/170,209.45
  6. Step 6: Final answer
    x = 208,872.88

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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.