Home / 136,884.13-188,896.26-76,453

Finding the Fourth Proportional to 136,884.13, 188,896.26 and 76,453

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Solution

The fourth proportional to 136,884.13, 188,896.26 and 76,453 is: 105,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,884.13 : 188,896.26 = 76,453 : x
  2. Step 2: Convert to fraction form
    136,884.13/188,896.26 = 76,453/x
  3. Step 3: Cross multiply
    136,884.13x = 188,896.26 × 76,453
  4. Step 4: Simplify right side
    136,884.13x = 14,441,685,765.78
  5. Step 5: Solve for x
    x = 14,441,685,765.78/136,884.13
  6. Step 6: Final answer
    x = 105,503.00

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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.