Home / 165,990.54-229,001.67-102,217.62

Finding the Fourth Proportional to 165,990.54, 229,001.67 and 102,217.62

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Solution

The fourth proportional to 165,990.54, 229,001.67 and 102,217.62 is: 141,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,990.54 : 229,001.67 = 102,217.62 : x
  2. Step 2: Convert to fraction form
    165,990.54/229,001.67 = 102,217.62/x
  3. Step 3: Cross multiply
    165,990.54x = 229,001.67 × 102,217.62
  4. Step 4: Simplify right side
    165,990.54x = 23,408,005,683.43
  5. Step 5: Solve for x
    x = 23,408,005,683.43/165,990.54
  6. Step 6: Final answer
    x = 141,020.12

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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.