Home / 166,721.82-230,076.12-91,270.32

Finding the Fourth Proportional to 166,721.82, 230,076.12 and 91,270.32

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Solution

The fourth proportional to 166,721.82, 230,076.12 and 91,270.32 is: 125,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,721.82 : 230,076.12 = 91,270.32 : x
  2. Step 2: Convert to fraction form
    166,721.82/230,076.12 = 91,270.32/x
  3. Step 3: Cross multiply
    166,721.82x = 230,076.12 × 91,270.32
  4. Step 4: Simplify right side
    166,721.82x = 20,999,121,096.76
  5. Step 5: Solve for x
    x = 20,999,121,096.76/166,721.82
  6. Step 6: Final answer
    x = 125,953.05

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1.5x scale

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.