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Finding the Fourth Proportional to 103,000.20, 154,385.10 and 58,648.20

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Solution

The fourth proportional to 103,000.20, 154,385.10 and 58,648.20 is: 87,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,000.20 : 154,385.10 = 58,648.20 : x
  2. Step 2: Convert to fraction form
    103,000.20/154,385.10 = 58,648.20/x
  3. Step 3: Cross multiply
    103,000.20x = 154,385.10 × 58,648.20
  4. Step 4: Simplify right side
    103,000.20x = 9,054,408,221.82
  5. Step 5: Solve for x
    x = 9,054,408,221.82/103,000.20
  6. Step 6: Final answer
    x = 87,906.71

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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.