Home / 120,354.23-166,094.03-66,639.24

Finding the Fourth Proportional to 120,354.23, 166,094.03 and 66,639.24

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Solution

The fourth proportional to 120,354.23, 166,094.03 and 66,639.24 is: 91,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,354.23 : 166,094.03 = 66,639.24 : x
  2. Step 2: Convert to fraction form
    120,354.23/166,094.03 = 66,639.24/x
  3. Step 3: Cross multiply
    120,354.23x = 166,094.03 × 66,639.24
  4. Step 4: Simplify right side
    120,354.23x = 11,068,379,594.54
  5. Step 5: Solve for x
    x = 11,068,379,594.54/120,354.23
  6. Step 6: Final answer
    x = 91,965.03

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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.