Home / 140,868.74-211,305.43-39,669.23

Finding the Fourth Proportional to 140,868.74, 211,305.43 and 39,669.23

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Solution

The fourth proportional to 140,868.74, 211,305.43 and 39,669.23 is: 59,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,868.74 : 211,305.43 = 39,669.23 : x
  2. Step 2: Convert to fraction form
    140,868.74/211,305.43 = 39,669.23/x
  3. Step 3: Cross multiply
    140,868.74x = 211,305.43 × 39,669.23
  4. Step 4: Simplify right side
    140,868.74x = 8,382,322,448.05
  5. Step 5: Solve for x
    x = 8,382,322,448.05/140,868.74
  6. Step 6: Final answer
    x = 59,504.49

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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.