Home / 120,736.46-166,607.99-67,017.25

Finding the Fourth Proportional to 120,736.46, 166,607.99 and 67,017.25

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Solution

The fourth proportional to 120,736.46, 166,607.99 and 67,017.25 is: 92,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,736.46 : 166,607.99 = 67,017.25 : x
  2. Step 2: Convert to fraction form
    120,736.46/166,607.99 = 67,017.25/x
  3. Step 3: Cross multiply
    120,736.46x = 166,607.99 × 67,017.25
  4. Step 4: Simplify right side
    120,736.46x = 11,165,609,442.32
  5. Step 5: Solve for x
    x = 11,165,609,442.32/120,736.46
  6. Step 6: Final answer
    x = 92,479.18

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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.