Home / 103,990.07-155,997.39-36,501.41

Finding the Fourth Proportional to 103,990.07, 155,997.39 and 36,501.41

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Solution

The fourth proportional to 103,990.07, 155,997.39 and 36,501.41 is: 54,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,990.07 : 155,997.39 = 36,501.41 : x
  2. Step 2: Convert to fraction form
    103,990.07/155,997.39 = 36,501.41/x
  3. Step 3: Cross multiply
    103,990.07x = 155,997.39 × 36,501.41
  4. Step 4: Simplify right side
    103,990.07x = 5,694,124,691.32
  5. Step 5: Solve for x
    x = 5,694,124,691.32/103,990.07
  6. Step 6: Final answer
    x = 54,756.43

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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.