Home / 103,988.07-155,994.39-36,499.41

Finding the Fourth Proportional to 103,988.07, 155,994.39 and 36,499.41

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Solution

The fourth proportional to 103,988.07, 155,994.39 and 36,499.41 is: 54,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,988.07 : 155,994.39 = 36,499.41 : x
  2. Step 2: Convert to fraction form
    103,988.07/155,994.39 = 36,499.41/x
  3. Step 3: Cross multiply
    103,988.07x = 155,994.39 × 36,499.41
  4. Step 4: Simplify right side
    103,988.07x = 5,693,703,198.31
  5. Step 5: Solve for x
    x = 5,693,703,198.31/103,988.07
  6. Step 6: Final answer
    x = 54,753.43

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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.