Home / 131,751.18-197,419.68-101,838.64

Finding the Fourth Proportional to 131,751.18, 197,419.68 and 101,838.64

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Solution

The fourth proportional to 131,751.18, 197,419.68 and 101,838.64 is: 152,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.18 : 197,419.68 = 101,838.64 : x
  2. Step 2: Convert to fraction form
    131,751.18/197,419.68 = 101,838.64/x
  3. Step 3: Cross multiply
    131,751.18x = 197,419.68 × 101,838.64
  4. Step 4: Simplify right side
    131,751.18x = 20,104,951,720.44
  5. Step 5: Solve for x
    x = 20,104,951,720.44/131,751.18
  6. Step 6: Final answer
    x = 152,597.89

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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.