Home / 192,942.59-266,127.89-135,703.33

Finding the Fourth Proportional to 192,942.59, 266,127.89 and 135,703.33

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Solution

The fourth proportional to 192,942.59, 266,127.89 and 135,703.33 is: 187,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,942.59 : 266,127.89 = 135,703.33 : x
  2. Step 2: Convert to fraction form
    192,942.59/266,127.89 = 135,703.33/x
  3. Step 3: Cross multiply
    192,942.59x = 266,127.89 × 135,703.33
  4. Step 4: Simplify right side
    192,942.59x = 36,114,439,535.04
  5. Step 5: Solve for x
    x = 36,114,439,535.04/192,942.59
  6. Step 6: Final answer
    x = 187,177.13

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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.