Home / 130,984.46-196,181.29-91,716.88

Finding the Fourth Proportional to 130,984.46, 196,181.29 and 91,716.88

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Solution

The fourth proportional to 130,984.46, 196,181.29 and 91,716.88 is: 137,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,984.46 : 196,181.29 = 91,716.88 : x
  2. Step 2: Convert to fraction form
    130,984.46/196,181.29 = 91,716.88/x
  3. Step 3: Cross multiply
    130,984.46x = 196,181.29 × 91,716.88
  4. Step 4: Simplify right side
    130,984.46x = 17,993,135,833.18
  5. Step 5: Solve for x
    x = 17,993,135,833.18/130,984.46
  6. Step 6: Final answer
    x = 137,368.48

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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.