Home / 136,272.30-188,061.97-75,846.81

Finding the Fourth Proportional to 136,272.30, 188,061.97 and 75,846.81

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Solution

The fourth proportional to 136,272.30, 188,061.97 and 75,846.81 is: 104,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272.30 : 188,061.97 = 75,846.81 : x
  2. Step 2: Convert to fraction form
    136,272.30/188,061.97 = 75,846.81/x
  3. Step 3: Cross multiply
    136,272.30x = 188,061.97 × 75,846.81
  4. Step 4: Simplify right side
    136,272.30x = 14,263,899,257.89
  5. Step 5: Solve for x
    x = 14,263,899,257.89/136,272.30
  6. Step 6: Final answer
    x = 104,672.04

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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.