Home / 130,966.97-196,451.55-71,770.37

Finding the Fourth Proportional to 130,966.97, 196,451.55 and 71,770.37

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Solution

The fourth proportional to 130,966.97, 196,451.55 and 71,770.37 is: 107,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,966.97 : 196,451.55 = 71,770.37 : x
  2. Step 2: Convert to fraction form
    130,966.97/196,451.55 = 71,770.37/x
  3. Step 3: Cross multiply
    130,966.97x = 196,451.55 × 71,770.37
  4. Step 4: Simplify right side
    130,966.97x = 14,099,399,448.32
  5. Step 5: Solve for x
    x = 14,099,399,448.32/130,966.97
  6. Step 6: Final answer
    x = 107,656.15

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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.