Home / 120,800.23-166,706.57-67,090.28

Finding the Fourth Proportional to 120,800.23, 166,706.57 and 67,090.28

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Solution

The fourth proportional to 120,800.23, 166,706.57 and 67,090.28 is: 92,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,800.23 : 166,706.57 = 67,090.28 : x
  2. Step 2: Convert to fraction form
    120,800.23/166,706.57 = 67,090.28/x
  3. Step 3: Cross multiply
    120,800.23x = 166,706.57 × 67,090.28
  4. Step 4: Simplify right side
    120,800.23x = 11,184,389,793.33
  5. Step 5: Solve for x
    x = 11,184,389,793.33/120,800.23
  6. Step 6: Final answer
    x = 92,585.83

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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.