Home / 136,506.33-188,394.03-76,082.49

Finding the Fourth Proportional to 136,506.33, 188,394.03 and 76,082.49

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Solution

The fourth proportional to 136,506.33, 188,394.03 and 76,082.49 is: 105,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,506.33 : 188,394.03 = 76,082.49 : x
  2. Step 2: Convert to fraction form
    136,506.33/188,394.03 = 76,082.49/x
  3. Step 3: Cross multiply
    136,506.33x = 188,394.03 × 76,082.49
  4. Step 4: Simplify right side
    136,506.33x = 14,333,486,903.53
  5. Step 5: Solve for x
    x = 14,333,486,903.53/136,506.33
  6. Step 6: Final answer
    x = 105,002.36

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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.