Home / 166,722.32-230,076.81-91,270.82

Finding the Fourth Proportional to 166,722.32, 230,076.81 and 91,270.82

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Solution

The fourth proportional to 166,722.32, 230,076.81 and 91,270.82 is: 125,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,722.32 : 230,076.81 = 91,270.82 : x
  2. Step 2: Convert to fraction form
    166,722.32/230,076.81 = 91,270.82/x
  3. Step 3: Cross multiply
    166,722.32x = 230,076.81 × 91,270.82
  4. Step 4: Simplify right side
    166,722.32x = 20,999,299,111.68
  5. Step 5: Solve for x
    x = 20,999,299,111.68/166,722.32
  6. Step 6: Final answer
    x = 125,953.74

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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.