Home / 102,949.12-154,436.16-36,375.61

Finding the Fourth Proportional to 102,949.12, 154,436.16 and 36,375.61

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Solution

The fourth proportional to 102,949.12, 154,436.16 and 36,375.61 is: 54,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,949.12 : 154,436.16 = 36,375.61 : x
  2. Step 2: Convert to fraction form
    102,949.12/154,436.16 = 36,375.61/x
  3. Step 3: Cross multiply
    102,949.12x = 154,436.16 × 36,375.61
  4. Step 4: Simplify right side
    102,949.12x = 5,617,709,526.06
  5. Step 5: Solve for x
    x = 5,617,709,526.06/102,949.12
  6. Step 6: Final answer
    x = 54,567.82

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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.