Home / 106,007.80-159,010.58-27,121.40

Finding the Fourth Proportional to 106,007.80, 159,010.58 and 27,121.40

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Solution

The fourth proportional to 106,007.80, 159,010.58 and 27,121.40 is: 40,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,007.80 : 159,010.58 = 27,121.40 : x
  2. Step 2: Convert to fraction form
    106,007.80/159,010.58 = 27,121.40/x
  3. Step 3: Cross multiply
    106,007.80x = 159,010.58 × 27,121.40
  4. Step 4: Simplify right side
    106,007.80x = 4,312,589,544.41
  5. Step 5: Solve for x
    x = 4,312,589,544.41/106,007.80
  6. Step 6: Final answer
    x = 40,681.81

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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.