Home / 120,725.53-166,601.10-67,010.42

Finding the Fourth Proportional to 120,725.53, 166,601.10 and 67,010.42

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Solution

The fourth proportional to 120,725.53, 166,601.10 and 67,010.42 is: 92,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.53 : 166,601.10 = 67,010.42 : x
  2. Step 2: Convert to fraction form
    120,725.53/166,601.10 = 67,010.42/x
  3. Step 3: Cross multiply
    120,725.53x = 166,601.10 × 67,010.42
  4. Step 4: Simplify right side
    120,725.53x = 11,164,009,999.83
  5. Step 5: Solve for x
    x = 11,164,009,999.83/120,725.53
  6. Step 6: Final answer
    x = 92,474.31

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1.5x scale

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.