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Finding the Fourth Proportional to 102,794.67, 154,250.33 and 40,508.91

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Solution

The fourth proportional to 102,794.67, 154,250.33 and 40,508.91 is: 60,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,794.67 : 154,250.33 = 40,508.91 : x
  2. Step 2: Convert to fraction form
    102,794.67/154,250.33 = 40,508.91/x
  3. Step 3: Cross multiply
    102,794.67x = 154,250.33 × 40,508.91
  4. Step 4: Simplify right side
    102,794.67x = 6,248,512,532.90
  5. Step 5: Solve for x
    x = 6,248,512,532.90/102,794.67
  6. Step 6: Final answer
    x = 60,786.35

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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.