Home / 120,984.81-166,958.01-67,269.35

Finding the Fourth Proportional to 120,984.81, 166,958.01 and 67,269.35

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Solution

The fourth proportional to 120,984.81, 166,958.01 and 67,269.35 is: 92,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.81 : 166,958.01 = 67,269.35 : x
  2. Step 2: Convert to fraction form
    120,984.81/166,958.01 = 67,269.35/x
  3. Step 3: Cross multiply
    120,984.81x = 166,958.01 × 67,269.35
  4. Step 4: Simplify right side
    120,984.81x = 11,231,157,227.39
  5. Step 5: Solve for x
    x = 11,231,157,227.39/120,984.81
  6. Step 6: Final answer
    x = 92,831.14

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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.