Home / 120,622.52-166,466.62-69,644.57

Finding the Fourth Proportional to 120,622.52, 166,466.62 and 69,644.57

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Solution

The fourth proportional to 120,622.52, 166,466.62 and 69,644.57 is: 96,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,622.52 : 166,466.62 = 69,644.57 : x
  2. Step 2: Convert to fraction form
    120,622.52/166,466.62 = 69,644.57/x
  3. Step 3: Cross multiply
    120,622.52x = 166,466.62 × 69,644.57
  4. Step 4: Simplify right side
    120,622.52x = 11,593,496,398.57
  5. Step 5: Solve for x
    x = 11,593,496,398.57/120,622.52
  6. Step 6: Final answer
    x = 96,113.87

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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.