Home / 136,614.40-188,499.36-82,927.68

Finding the Fourth Proportional to 136,614.40, 188,499.36 and 82,927.68

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Solution

The fourth proportional to 136,614.40, 188,499.36 and 82,927.68 is: 114,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,614.40 : 188,499.36 = 82,927.68 : x
  2. Step 2: Convert to fraction form
    136,614.40/188,499.36 = 82,927.68/x
  3. Step 3: Cross multiply
    136,614.40x = 188,499.36 × 82,927.68
  4. Step 4: Simplify right side
    136,614.40x = 15,631,814,606.28
  5. Step 5: Solve for x
    x = 15,631,814,606.28/136,614.40
  6. Step 6: Final answer
    x = 114,422.89

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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.