Home / 200,975.09-277,389.29-137,464.61

Finding the Fourth Proportional to 200,975.09, 277,389.29 and 137,464.61

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Solution

The fourth proportional to 200,975.09, 277,389.29 and 137,464.61 is: 189,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,975.09 : 277,389.29 = 137,464.61 : x
  2. Step 2: Convert to fraction form
    200,975.09/277,389.29 = 137,464.61/x
  3. Step 3: Cross multiply
    200,975.09x = 277,389.29 × 137,464.61
  4. Step 4: Simplify right side
    200,975.09x = 38,131,209,524.74
  5. Step 5: Solve for x
    x = 38,131,209,524.74/200,975.09
  6. Step 6: Final answer
    x = 189,731.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.