Home / 136,103.28-187,828.74-75,680.04

Finding the Fourth Proportional to 136,103.28, 187,828.74 and 75,680.04

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Solution

The fourth proportional to 136,103.28, 187,828.74 and 75,680.04 is: 104,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,103.28 : 187,828.74 = 75,680.04 : x
  2. Step 2: Convert to fraction form
    136,103.28/187,828.74 = 75,680.04/x
  3. Step 3: Cross multiply
    136,103.28x = 187,828.74 × 75,680.04
  4. Step 4: Simplify right side
    136,103.28x = 14,214,886,556.35
  5. Step 5: Solve for x
    x = 14,214,886,556.35/136,103.28
  6. Step 6: Final answer
    x = 104,441.91

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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.