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Finding the Fourth Proportional to 166,675.80, 230,013.21 and 90,194.89

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Solution

The fourth proportional to 166,675.80, 230,013.21 and 90,194.89 is: 124,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,675.80 : 230,013.21 = 90,194.89 : x
  2. Step 2: Convert to fraction form
    166,675.80/230,013.21 = 90,194.89/x
  3. Step 3: Cross multiply
    166,675.80x = 230,013.21 × 90,194.89
  4. Step 4: Simplify right side
    166,675.80x = 20,746,016,312.60
  5. Step 5: Solve for x
    x = 20,746,016,312.60/166,675.80
  6. Step 6: Final answer
    x = 124,469.28

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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.