Home / 134,942.67-186,226.43-83,985.57

Finding the Fourth Proportional to 134,942.67, 186,226.43 and 83,985.57

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Solution

The fourth proportional to 134,942.67, 186,226.43 and 83,985.57 is: 115,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.67 : 186,226.43 = 83,985.57 : x
  2. Step 2: Convert to fraction form
    134,942.67/186,226.43 = 83,985.57/x
  3. Step 3: Cross multiply
    134,942.67x = 186,226.43 × 83,985.57
  4. Step 4: Simplify right side
    134,942.67x = 15,640,332,452.69
  5. Step 5: Solve for x
    x = 15,640,332,452.69/134,942.67
  6. Step 6: Final answer
    x = 115,903.53

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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.