Home / 166,450.80-229,703.02-90,999.30

Finding the Fourth Proportional to 166,450.80, 229,703.02 and 90,999.30

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Solution

The fourth proportional to 166,450.80, 229,703.02 and 90,999.30 is: 125,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,450.80 : 229,703.02 = 90,999.30 : x
  2. Step 2: Convert to fraction form
    166,450.80/229,703.02 = 90,999.30/x
  3. Step 3: Cross multiply
    166,450.80x = 229,703.02 × 90,999.30
  4. Step 4: Simplify right side
    166,450.80x = 20,902,814,027.89
  5. Step 5: Solve for x
    x = 20,902,814,027.89/166,450.80
  6. Step 6: Final answer
    x = 125,579.53

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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.