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Finding the Fourth Proportional to 103,604.54, 155,552.20 and 53,039.68

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Solution

The fourth proportional to 103,604.54, 155,552.20 and 53,039.68 is: 79,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,604.54 : 155,552.20 = 53,039.68 : x
  2. Step 2: Convert to fraction form
    103,604.54/155,552.20 = 53,039.68/x
  3. Step 3: Cross multiply
    103,604.54x = 155,552.20 × 53,039.68
  4. Step 4: Simplify right side
    103,604.54x = 8,250,438,389.82
  5. Step 5: Solve for x
    x = 8,250,438,389.82/103,604.54
  6. Step 6: Final answer
    x = 79,633.95

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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.