Home / 103,310.77-154,905.95-40,057

Finding the Fourth Proportional to 103,310.77, 154,905.95 and 40,057

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Solution

The fourth proportional to 103,310.77, 154,905.95 and 40,057 is: 60,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,310.77 : 154,905.95 = 40,057 : x
  2. Step 2: Convert to fraction form
    103,310.77/154,905.95 = 40,057/x
  3. Step 3: Cross multiply
    103,310.77x = 154,905.95 × 40,057
  4. Step 4: Simplify right side
    103,310.77x = 6,205,067,589.08
  5. Step 5: Solve for x
    x = 6,205,067,589.08/103,310.77
  6. Step 6: Final answer
    x = 60,062.15

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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.