Home / 120,670.40-166,522.59-66,954.26

Finding the Fourth Proportional to 120,670.40, 166,522.59 and 66,954.26

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Solution

The fourth proportional to 120,670.40, 166,522.59 and 66,954.26 is: 92,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670.40 : 166,522.59 = 66,954.26 : x
  2. Step 2: Convert to fraction form
    120,670.40/166,522.59 = 66,954.26/x
  3. Step 3: Cross multiply
    120,670.40x = 166,522.59 × 66,954.26
  4. Step 4: Simplify right side
    120,670.40x = 11,149,395,954.12
  5. Step 5: Solve for x
    x = 11,149,395,954.12/120,670.40
  6. Step 6: Final answer
    x = 92,395.45

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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.