Home / 130,399.12-195,664.28-97,185.88

Finding the Fourth Proportional to 130,399.12, 195,664.28 and 97,185.88

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Solution

The fourth proportional to 130,399.12, 195,664.28 and 97,185.88 is: 145,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,399.12 : 195,664.28 = 97,185.88 : x
  2. Step 2: Convert to fraction form
    130,399.12/195,664.28 = 97,185.88/x
  3. Step 3: Cross multiply
    130,399.12x = 195,664.28 × 97,185.88
  4. Step 4: Simplify right side
    130,399.12x = 19,015,805,236.37
  5. Step 5: Solve for x
    x = 19,015,805,236.37/130,399.12
  6. Step 6: Final answer
    x = 145,827.71

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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.