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Finding the Fourth Proportional to 101,488.16, 152,217.12 and 26,609.60

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Solution

The fourth proportional to 101,488.16, 152,217.12 and 26,609.60 is: 39,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,488.16 : 152,217.12 = 26,609.60 : x
  2. Step 2: Convert to fraction form
    101,488.16/152,217.12 = 26,609.60/x
  3. Step 3: Cross multiply
    101,488.16x = 152,217.12 × 26,609.60
  4. Step 4: Simplify right side
    101,488.16x = 4,050,436,676.35
  5. Step 5: Solve for x
    x = 4,050,436,676.35/101,488.16
  6. Step 6: Final answer
    x = 39,910.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.