Home / 166,417.40-229,658.02-90,965.90

Finding the Fourth Proportional to 166,417.40, 229,658.02 and 90,965.90

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Solution

The fourth proportional to 166,417.40, 229,658.02 and 90,965.90 is: 125,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,417.40 : 229,658.02 = 90,965.90 : x
  2. Step 2: Convert to fraction form
    166,417.40/229,658.02 = 90,965.90/x
  3. Step 3: Cross multiply
    166,417.40x = 229,658.02 × 90,965.90
  4. Step 4: Simplify right side
    166,417.40x = 20,891,048,828.25
  5. Step 5: Solve for x
    x = 20,891,048,828.25/166,417.40
  6. Step 6: Final answer
    x = 125,534.04

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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.