Home / 130,679.12-196,277.88-111,951.92

Finding the Fourth Proportional to 130,679.12, 196,277.88 and 111,951.92

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Solution

The fourth proportional to 130,679.12, 196,277.88 and 111,951.92 is: 168,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,679.12 : 196,277.88 = 111,951.92 : x
  2. Step 2: Convert to fraction form
    130,679.12/196,277.88 = 111,951.92/x
  3. Step 3: Cross multiply
    130,679.12x = 196,277.88 × 111,951.92
  4. Step 4: Simplify right side
    130,679.12x = 21,973,685,519.53
  5. Step 5: Solve for x
    x = 21,973,685,519.53/130,679.12
  6. Step 6: Final answer
    x = 168,149.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.