Home / 120,943.47-166,903.98-66,497.94

Finding the Fourth Proportional to 120,943.47, 166,903.98 and 66,497.94

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Solution

The fourth proportional to 120,943.47, 166,903.98 and 66,497.94 is: 91,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.47 : 166,903.98 = 66,497.94 : x
  2. Step 2: Convert to fraction form
    120,943.47/166,903.98 = 66,497.94/x
  3. Step 3: Cross multiply
    120,943.47x = 166,903.98 × 66,497.94
  4. Step 4: Simplify right side
    120,943.47x = 11,098,770,847.80
  5. Step 5: Solve for x
    x = 11,098,770,847.80/120,943.47
  6. Step 6: Final answer
    x = 91,768.25

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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.