Home / 166,408.80-229,644.06-90,957.30

Finding the Fourth Proportional to 166,408.80, 229,644.06 and 90,957.30

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Solution

The fourth proportional to 166,408.80, 229,644.06 and 90,957.30 is: 125,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,408.80 : 229,644.06 = 90,957.30 : x
  2. Step 2: Convert to fraction form
    166,408.80/229,644.06 = 90,957.30/x
  3. Step 3: Cross multiply
    166,408.80x = 229,644.06 × 90,957.30
  4. Step 4: Simplify right side
    166,408.80x = 20,887,803,658.64
  5. Step 5: Solve for x
    x = 20,887,803,658.64/166,408.80
  6. Step 6: Final answer
    x = 125,521.03

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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.